Merge branch 'ftname_updates'

21 files changed, 1528 insertions, 1241 deletions

diff --git a/TAO/orbsvcs/orbsvcs/FT_NamingReplication.idl b/TAO/orbsvcs/orbsvcs/FT_NamingReplication.idl
index d499c6d1321..ef78d5ea9ed 100644
--- a/TAO/orbsvcs/orbsvcs/FT_NamingReplication.idl
+++ b/TAO/orbsvcs/orbsvcs/FT_NamingReplication.idl
@@ -3,6 +3,7 @@
 /**
  *  @file    FT_NamingReplication.idl
  *
+ *
  *  This file is part of Fault Tolerant Naming Service in support of
  *  replication between redundant servers.
  *
@@ -20,12 +21,17 @@
 module FT_Naming
 {
 
-  enum ChangeType { NEW, UPDATED, DELETED };
+  enum ChangeType { NEW, UPDATED, DELETED, NONE };
 
   exception NotAvailable
   {
   };
 
+  exception InvalidPeer
+  {
+    string reason;
+  };
+
   /*
    * A structure that describes the updated element in a Naming Service
    */
@@ -39,6 +45,7 @@ module FT_Naming
 
   struct ReplicaInfo
   {
+    boolean combined;
     CosNaming::NamingContext root_context;
     FT_Naming::NamingManager naming_manager;
   };
@@ -55,6 +62,28 @@ module FT_Naming
     ChangeType change_type;
   };
 
+  enum EntityKind {
+    ctx_name,
+    obj_grp
+  };
+
+  union UpdateInfo switch (EntityKind) {
+  case ctx_name : NamingContextUpdate ctx;
+  case obj_grp  : ObjectGroupUpdate grp;
+  };
+
+  typedef sequence<UpdateInfo> UpdateInfoSeq;
+
+  interface UpdatePushNotifier
+  {
+    oneway void register_peer (in UpdatePushNotifier peer,
+                               in ReplicaInfo info,
+                               in unsigned long long initial_seq_num);
+
+    void notify_update (in unsigned long long seq_num,
+                        inout UpdateInfoSeq info);
+  };
+
   interface ReplicationManager
   {
    /*
diff --git a/TAO/orbsvcs/orbsvcs/FT_Naming_Serv.mpc b/TAO/orbsvcs/orbsvcs/FT_Naming_Serv.mpc
index b114898507e..0cf779b7de3 100644
--- a/TAO/orbsvcs/orbsvcs/FT_Naming_Serv.mpc
+++ b/TAO/orbsvcs/orbsvcs/FT_Naming_Serv.mpc
@@ -1,4 +1,5 @@
 // -*- MPC -*-
+
 project (FT_Naming_Serv) : orbsvcslib, orbsvcs_output, ftnaming, ftnaming_replication, install, naming_serv, naming, portablegroup, loadbalancing, avoids_minimum_corba, avoids_corba_e_compact, avoids_corba_e_micro  {
   sharedname   = TAO_FT_Naming_Serv
   idlflags    += -Wb,export_macro=TAO_FtNaming_Export -Wb,export_include=orbsvcs/Naming/FaultTolerant/ftnaming_export.h
@@ -39,4 +40,3 @@ project (FT_Naming_Serv) : orbsvcslib, orbsvcs_output, ftnaming, ftnaming_replic
   }
 
 }
-
diff --git a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Manager.cpp b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Manager.cpp
index f5fc60b5f05..4178727920b 100644
--- a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Manager.cpp
+++ b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Manager.cpp
@@ -4,6 +4,7 @@
 /**
  * @file   FT_Naming_Manager.cpp
  *
+ *
  * @author Kevin Stanley <stanleyk@ociweb.com>
  */
 //=============================================================================
@@ -66,7 +67,6 @@ TAO_FT_Naming_Manager::TAO_FT_Naming_Manager (void)
     global_strategy_ (::FT_Naming::ROUND_ROBIN),
     built_in_balancing_strategy_name_ (1),
     object_group_property_name_ (1)
-
 {
   // The name for the property which contains the load balancing strategy value
   this->built_in_balancing_strategy_name_.length (1);
@@ -859,4 +859,10 @@ TAO_FT_Naming_Manager::set_object_group_stale (const FT_Naming::ObjectGroupUpdat
   this->group_factory_.set_object_group_stale (group_info);
 }
 
+void
+TAO_FT_Naming_Manager::set_replicator (TAO_FT_Naming_Replication_Manager *repl)
+{
+  this->group_factory_.set_replicator (repl);
+}
+
 TAO_END_VERSIONED_NAMESPACE_DECL
diff --git a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Manager.h b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Manager.h
index 7b89990f47a..ae7868261e6 100644
--- a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Manager.h
+++ b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Manager.h
@@ -4,6 +4,7 @@
 /**
  * @file   FT_Naming_Manager.h
  *
+ *
  * @author Kevin Stanley <stanleyk@ociweb.com>
  */
 //=============================================================================
@@ -18,6 +19,7 @@
 
 #include "orbsvcs/FT_NamingManagerS.h"
 #include "orbsvcs/FT_NamingManagerC.h"
+#include "orbsvcs/Naming/FaultTolerant/FT_Naming_Replication_Manager.h"
 #include "orbsvcs/PortableGroup/PG_FactoryRegistry.h"
 #include "orbsvcs/PortableGroup/PG_Properties_Support.h"
 #include "orbsvcs/Naming/FaultTolerant/FT_PG_Group_Factory.h"
@@ -39,6 +41,8 @@ namespace TAO
   class Storable_Factory;
 }
 
+class TAO_FT_Naming_Replication_Manager;
+
 /**
  * @class TAO_FT_Naming_Manager
  * @brief Implements the NamingManager interface for the Fault
@@ -59,6 +63,8 @@ public:
   /// Constructor.
   TAO_FT_Naming_Manager (void);
 
+  void set_replicator (TAO_FT_Naming_Replication_Manager *repl);
+
   /**
    * @name FT::NamingManager Methods
    *
diff --git a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Replication_Manager.cpp b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Replication_Manager.cpp
index 5e18dcd5421..454391223e3 100644
--- a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Replication_Manager.cpp
+++ b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Replication_Manager.cpp
@@ -5,172 +5,470 @@
  * @file   FT_Naming_Replication_Manager.cpp
  *
  * @author Kevin Stanley <stanleyk@ociweb.com>
+ * @author Phil Mesnier
  */
 //=============================================================================
 
 #include "orbsvcs/Log_Macros.h"
 #include "orbsvcs/Naming/FaultTolerant/FT_Naming_Replication_Manager.h"
 #include "orbsvcs/Naming/FaultTolerant/FT_Naming_Server.h"
-#include "tao/corba.h"
-#include "ace/SStringfwd.h"
+#include "tao/ORB_Core.h"
+#include "ace/OS_NS_stdio.h"
+#include "ace/OS_NS_strings.h"
+#include "ace/OS_NS_ctype.h"
+#include "ace/OS_NS_unistd.h"
+#include "ace/Log_Msg.h"
+
+FT_Update_Replicant_i::FT_Update_Replicant_i (TAO_FT_Naming_Replication_Manager &owner)
+  :owner_ (owner)
+{
+}
 
-::FT_Naming::ReplicationManager_var
-TAO_FT_Naming_Replication_Manager::peer_replica_ (0);
+void
+FT_Update_Replicant_i::notify_update (CORBA::ULongLong seq_num,
+                                      FT_Naming::UpdateInfoSeq& info)
+{
+  CORBA::ULongLong expected = ++this->owner_.replica_seq_num_;
+  if (expected < seq_num)
+    {
+      if (TAO_debug_level > 0)
+        {
+          ORBSVCS_DEBUG ((LM_DEBUG,
+                          ACE_TEXT ("(%P|%t) FT_Update_Replicant_i::notify_updated_entity ")
+                          ACE_TEXT ("expected %Lu got %Lu\n"),
+                          expected, seq_num ));
+        }
+      this->owner_.replica_seq_num_ = seq_num;
+    }
+  else if (expected > seq_num)
+    {
+      if (TAO_debug_level > 0)
+        {
+          ORBSVCS_DEBUG ((LM_DEBUG,
+                          ACE_TEXT ("(%P|%t) FT_Update_Replicant_i::notify_updated_entity ")
+                          ACE_TEXT ("expected %Lu got %Lu\n"),
+                          expected, seq_num ));
+        }
+      --this->owner_.replica_seq_num_;
+    }
+  this->owner_.server_.update_info (info);
+}
 
-TAO_FT_Naming_Replication_Manager::TAO_FT_Naming_Replication_Manager (
-     TAO_FT_Naming_Server *naming_svr,
-     const char* repl_mgr_name)
-  : naming_svr_ (naming_svr),
-    repl_mgr_name_ (repl_mgr_name)
+void
+FT_Update_Replicant_i::register_peer (FT_Naming::UpdatePushNotifier_ptr peer,
+                                      const FT_Naming::ReplicaInfo& iors,
+                                      CORBA::ULongLong seq_num)
 {
+  this->owner_.peer_ = FT_Naming::UpdatePushNotifier::_duplicate (peer);
+  this->owner_.replica_seq_num_ = seq_num;
+  this->owner_.server_.update_iors (iors);
 }
 
+//---------------------------------------------------------------------------
+
+TAO_FT_Naming_Replication_Manager::TAO_FT_Naming_Replication_Manager (TAO_FT_Naming_Server &owner)
+  : me_ (),
+    peer_ (),
+    seq_num_ (0),
+    replica_seq_num_ (0),
+    server_ (owner),
+    orb_ (),
+    reactor_ (0),
+    lock_ (),
+    notified_ (false),
+    to_send_ (10),
+    endpoint_ (owner.ft_endpoint ()),
+    update_delay_ (owner.ft_update_delay ()),
+    replica_ior_ ()
+{
+}
 
 TAO_FT_Naming_Replication_Manager::~TAO_FT_Naming_Replication_Manager(void)
 {
-  this->reference_ = ::FT_Naming::ReplicationManager::_nil ();
 }
 
 void
-TAO_FT_Naming_Replication_Manager::initialize (CORBA::ORB_ptr orb,
-                                               PortableServer::POA_ptr repl_mgr_poa)
+TAO_FT_Naming_Replication_Manager::init_orb (void)
 {
-  ACE_UNUSED_ARG (orb);
-  repl_mgr_poa_ = PortableServer::POA::_duplicate (repl_mgr_poa);
-  PortableServer::ObjectId_var id =
-    PortableServer::string_to_ObjectId (this->repl_mgr_name_.c_str ());
-  CORBA::Object_var obj = repl_mgr_poa_->id_to_reference (id.in ());
-  this->reference_ = ::FT_Naming::ReplicationManager::_narrow (obj.in ());
+  int argc = 8;
+  ACE_TCHAR *argv[11];
+  argv[0] = ACE_OS::strdup (ACE_TEXT (""));
+  argv[1] = ACE_OS::strdup (ACE_TEXT ("-ORBIgnoreDefaultSvcConfFile"));
+  argv[2] = ACE_OS::strdup (ACE_TEXT ("-ORBGestalt"));
+  argv[3] = ACE_OS::strdup (ACE_TEXT ("Local"));
+  argv[4] = ACE_OS::strdup (ACE_TEXT ("-ORBSvcConfDirective"));
+  argv[5] = ACE_OS::strdup (ACE_TEXT ("static Client_Strategy_Factory \"-ORBConnectStrategy Blocked -ORBDefaultSyncScope server\""));
+  argv[6] = ACE_OS::strdup (ACE_TEXT ("-ORBDottedDecimalAddresses"));
+  argv[7] = ACE_OS::strdup (ACE_TEXT ("1"));
+  if (endpoint_.length ())
+    {
+      argv[8] = ACE_OS::strdup (ACE_TEXT ("-ORBListenEndpoints"));
+      argv[9] = ACE_OS::strdup (ACE_TEXT_CHAR_TO_TCHAR (endpoint_.c_str ()));
+      argc += 2;
+    }
+  else
+    {
+      argv[8] = 0;
+      argv[9] = 0;
+    }
+  argv[10] = 0;
+
+  this->orb_ = CORBA::ORB_init (argc, argv, "replicator_orb");
+  this->reactor_ = this->orb_->orb_core ()->reactor ();
+  CORBA::Object_var obj = this->orb_->resolve_initial_references ("RootPOA");
+  PortableServer::POA_var poa = PortableServer::POA::_narrow (obj.in ());
+  PortableServer::ServantBase_var servant;
+  ACE_NEW (servant, FT_Update_Replicant_i (*this));
+  PortableServer::ObjectId_var oid = poa->activate_object (servant.in ());
+  obj = poa->id_to_reference (oid.in ());
+  this->me_ =
+    FT_Naming::UpdatePushNotifier::_narrow (obj.in ());
+  PortableServer::POAManager_var mgr = poa->the_POAManager ();
+  mgr->activate ();
 }
 
-::FT_Naming::ReplicaInfo*
-TAO_FT_Naming_Replication_Manager::register_replica (
-  ::FT_Naming::ReplicationManager_ptr replica,
-  const ::FT_Naming::ReplicaInfo & replica_info)
+char *
+TAO_FT_Naming_Replication_Manager::ior (void)
 {
-  ACE_TRACE ( ACE_TEXT("TAO_FT_Naming_Replication_Manager::register_replica"));
-
-  ACE_GUARD_THROW_EX (TAO_SYNCH_MUTEX,
-                      ace_mon,
-                      this->lock_,
-                      CORBA::INTERNAL ());
-
-  // Store a copy of the provided reference and other ReplicaInfo
-  peer_replica_ = ::FT_Naming::ReplicationManager::_duplicate (replica);
+  return this->orb_->object_to_string (this->me_.in ());
+}
 
-  // Store the provided peer references
-  this->naming_svr_->peer_root_context (replica_info.root_context);
-  this->naming_svr_->peer_naming_manager (replica_info.naming_manager);
+bool
+TAO_FT_Naming_Replication_Manager::peer_available (void)
+{
+  return !CORBA::is_nil (this->peer_.in ());
+}
 
-  // Return my references to the peer
-  ::FT_Naming::ReplicaInfo* my_info = new ::FT_Naming::ReplicaInfo;
+void
+TAO_FT_Naming_Replication_Manager::stop (void)
+{
+  if (this->reactor_ == 0)
+    {
+      return;
+    }
+  this->orb_->shutdown (true);
+  this->wait();
+}
 
-  my_info->root_context = this->naming_svr_->my_root_context ();
+int
+TAO_FT_Naming_Replication_Manager::svc (void)
+{
+  if (this->reactor_ == 0)
+    {
+      return 0;
+    }
+  try
+    {
+
+      this->orb_->run ();
+    }
+  catch (const CORBA::SystemException &ex)
+    {
+      if (TAO_debug_level > 0)
+        {
+          ORBSVCS_DEBUG ((LM_DEBUG,
+                         ACE_TEXT ("(%P|%t) TAO_FT_Naming_Replication_Manager::svc caught %C\n"),
+                          ex._name ()));
+        }
+    }
+  return 0;
+}
 
-  my_info->naming_manager = this->naming_svr_->my_naming_manager ();
 
-  return my_info;
+int
+TAO_FT_Naming_Replication_Manager::handle_exception (ACE_HANDLE )
+{
+  ACE_OS::sleep (this->update_delay_);
+  ACE_GUARD_RETURN (TAO_SYNCH_MUTEX, mon, this->lock_, -1);
+  if (!this->peer_available())
+    {
+      mon.release ();
+      if (!this->peer_init_i ())
+        {
+          this->server_.no_replica();
+        }
+      mon.acquire();
+      this->notified_ = false;
+      return 0;
+    }
+  if (this->refresh_peer_)
+    {
+      this->refresh_peer_ = false;
+      mon.release ();
+      if (!this->update_peer_registration())
+        {
+          mon.acquire ();
+          this->notified_ = false;
+          return 0;
+        }
+      mon.acquire ();
+    }
+
+  if (this->to_send_.length () == 0)
+    {
+      this->notified_ = false;
+      return 0;
+    }
+  if (CORBA::is_nil (this->peer_))
+    {
+      this->to_send_.length (0);
+      this->notified_ = false;
+      return 0;
+    }
+  try
+    {
+      CORBA::Long len = this->to_send_.length ();
+      FT_Naming::UpdateInfoSeq payload (len);
+      payload.length (len);
+      CORBA::Long p = 0;
+      for (CORBA::Long l = 0; l < len; l++)
+        {
+           payload[p++] = this->to_send_[l];
+        }
+      payload.length (p);
+      this->to_send_.length (0);
+      CORBA::ULongLong seq = ++this->seq_num_;
+      mon.release ();
+
+      this->peer_->notify_update (seq, payload);
+    }
+  catch (const CORBA::Exception &)
+    {
+      this->peer_ = FT_Naming::UpdatePushNotifier::_nil ();
+    }
+  this->notified_ = false;
+  return 0;
 }
 
 void
-TAO_FT_Naming_Replication_Manager::notify_updated_object_group (
-    const ::FT_Naming::ObjectGroupUpdate & group_info)
+TAO_FT_Naming_Replication_Manager::send_objgrp_update (PortableGroup::ObjectGroupId id,
+                                   FT_Naming::ChangeType change)
 {
-  ACE_TRACE ( ACE_TEXT ("TAO_FT_Naming_Replication_Manager::")
-              ACE_TEXT ("notify_updated_object_group"));
-
-  // Make sure that we have a valid naming server
-  ACE_ASSERT (naming_svr_);
-  int result = this->naming_svr_->update_object_group (group_info);
+  if (this->reactor_ == 0)
+    {
+      return;
+    }
+  ACE_GUARD (TAO_SYNCH_MUTEX, mon, this->lock_);
+  CORBA::Long len = this->to_send_.length ();
+  bool found = false;
+  for (CORBA::Long i = len -1; !found && i >= 0; i--)
+    {
+      if (this->to_send_[i]._d() == FT_Naming::obj_grp &&
+          this->to_send_[i].grp().id == id)
+        {
+          found = true;
+          FT_Naming::ChangeType pending = this->to_send_[i].grp().change_type;
+          if (pending == FT_Naming::DELETED)
+            {
+              if (change == FT_Naming::UPDATED)
+                {
+                // shouldn't have an update after a deleted
+                  change = FT_Naming::DELETED;
+                }
+              else if (change == FT_Naming::NEW)
+                {// put both in cueue
+                  found = false;
+                  break;
+                }
+            }
+          this->to_send_[i].grp().change_type = change;
+        }
+    }
+  if (!found)
+    {
+      this->to_send_.length (len+1);
+      FT_Naming::ObjectGroupUpdate ogu;
+      ogu.id = id;
+      ogu.change_type = change;
+      this->to_send_[len].grp(ogu);
+    }
+  if (!this->notified_)
+    {
+      this->notified_ = true;
+      this->reactor_->notify (this);
+    }
+}
 
-  if (result != 0)
-    ORBSVCS_ERROR ((LM_ERROR,
-                ACE_TEXT ("Unable to update object group.\n")));
+void
+TAO_FT_Naming_Replication_Manager::send_context_update (const ACE_CString & name,
+                                    FT_Naming::ChangeType change)
+{
+  if (this->reactor_ == 0)
+    {
+      return;
+    }
+
+  ACE_GUARD (TAO_SYNCH_MUTEX, mon, this->lock_);
+  CORBA::Long len = this->to_send_.length ();
+  bool found = false;
+
+  for (CORBA::Long i = len -1; !found && i >= 0; i--)
+    {
+      if (this->to_send_[i]._d() == FT_Naming::ctx_name &&
+          ACE_OS::strcmp (this->to_send_[i].ctx().context_name,
+                          name.c_str()) == 0)
+        {
+          found = true;
+          FT_Naming::ChangeType pending = this->to_send_[i].ctx().change_type;
+          if (pending == FT_Naming::DELETED)
+            {
+              if (change == FT_Naming::UPDATED)
+                {
+                // shouldn't have an update after a deleted
+                  change = FT_Naming::DELETED;
+                }
+              else if (change == FT_Naming::NEW)
+                {// put both in cueue
+                  found = false;
+                  break;
+                }
+            }
+          this->to_send_[i].ctx().change_type = change;
+        }
+    }
+
+  if (!found)
+    {
+      this->to_send_.length (len+1);
+      FT_Naming::NamingContextUpdate ncu;
+      ncu.context_name = CORBA::string_dup (name.c_str());
+      ncu.change_type = change;
+      this->to_send_[len].ctx(ncu);
+    }
+  if (!this->notified_)
+    {
+      this->notified_ = true;
+      this->reactor_->notify (this);
+    }
 }
 
 void
-TAO_FT_Naming_Replication_Manager::notify_updated_context (
-    const ::FT_Naming::NamingContextUpdate & context_info)
+TAO_FT_Naming_Replication_Manager::send_registration (bool use_combo_refs)
 {
-  ACE_TRACE (ACE_TEXT ("TAO_FT_Naming_Replication_Manager::")
-             ACE_TEXT ("notify_updated_context"));
-  ACE_ASSERT (naming_svr_);
-  int result = this->naming_svr_->update_naming_context (context_info);
 
-  if (result != 0)
-  {
-    ORBSVCS_ERROR ((LM_ERROR,
-                ACE_TEXT ("Error while updating naming context.\n")));
-  }
+  if (TAO_debug_level > 1)
+    {
+      ORBSVCS_DEBUG((LM_INFO,
+        ACE_TEXT("(%P|%t) Registering with peer naming server \n")));
+    }
+  if (this->reactor_ == 0)
+    {
+      return;
+    }
+
+  ACE_GUARD (TAO_SYNCH_MUTEX, mon, this->lock_);
+  this->send_combos_ = use_combo_refs;
+  if (!this->notified_)
+    {
+      this->refresh_peer_ = true;
+      this->notified_ = true;
+      this->reactor_->notify (this);
+    }
 }
 
-::FT_Naming::ReplicationManager_ptr
-TAO_FT_Naming_Replication_Manager::peer_replica (void)
+bool
+TAO_FT_Naming_Replication_Manager::peer_init_i (void)
 {
-  ACE_TRACE (ACE_TEXT ("TAO_FT_Naming_Replication_Manager::peer_replica"));
-  // Return a copy of the stored peer to the requester
-  return ::FT_Naming::ReplicationManager::_duplicate (peer_replica_.in ());
+  CORBA::Object_var obj = this->orb_->string_to_object (replica_ior_.c_str());
+  bool non_exist = true;
+  bool was_nil = CORBA::is_nil (this->peer_.in());
+  if (!CORBA::is_nil (obj.in ()))
+    {
+      try
+        {
+          this->peer_ = FT_Naming::UpdatePushNotifier::_narrow (obj.in());
+          non_exist = (this->peer_->_non_existent() == 1);
+        }
+      catch (const CORBA::Exception& ex)
+        {
+          if (TAO_debug_level > 0)
+            {
+              ORBSVCS_DEBUG ((LM_DEBUG,
+                              ACE_TEXT ("(%P|%t) FT_Repl_mgr::peer_init_i ")
+                              ACE_TEXT ("caught %C\n"), ex._name()));
+            }
+        }
+    }
+  if (non_exist)
+    {
+      this->peer_ = FT_Naming::UpdatePushNotifier::_nil();
+      return was_nil;
+    }
+
+  if (this->peer_available ())
+    {
+      if (!this->update_peer_registration ())
+        {
+          this->peer_ = FT_Naming::UpdatePushNotifier::_nil ();
+          return was_nil;
+        }
+    }
+  else
+    {
+      return was_nil;
+    }
+
+  if (this->to_send_.length () > 0)
+    {
+      this->notified_ = true;
+      this->reactor_->notify (this);
+    }
+  return true;
 }
 
-int
-TAO_FT_Naming_Replication_Manager::register_with_peer_replica (
-      ::FT_Naming::ReplicationManager_ptr replica,
-      CosNaming::NamingContext_ptr nc,
-      ::FT_Naming::NamingManager_ptr nm)
-{
-  ACE_TRACE (ACE_TEXT ("TAO_FT_Naming_Replication_Manager::")
-             ACE_TEXT ("register_with_peer_replica"));
-
-  int result = 0;
-  ::FT_Naming::ReplicaInfo my_info;
-  { // Guard the access to the Replication Manager state
-    ACE_GUARD_THROW_EX (TAO_SYNCH_MUTEX,
-                        ace_mon,
-                        this->lock_,
-                        CORBA::INTERNAL ());
-
-    // Store a copy of the peer reference for future access
-    this->peer_replica_ =
-      ::FT_Naming::ReplicationManager::_duplicate (replica);
-
-    my_info.root_context = CosNaming::NamingContext::_duplicate (nc);
-    my_info.naming_manager = ::FT_Naming::NamingManager::_duplicate (nm);
-  }
-
-  try {
-    ::FT_Naming::ReplicationManager_var my_ref =
-      this->reference ();
-
-    // Register with the peer replica
-    ::FT_Naming::ReplicaInfo_var peer_info =
-      this->peer_replica_->register_replica (my_ref.in (),
-                                             my_info);
-
-    ACE_GUARD_THROW_EX (TAO_SYNCH_MUTEX,
-                        ace_mon,
-                        this->lock_,
-                        CORBA::INTERNAL ());
-
-    // Store the returned references locally
-    this->naming_svr_->peer_root_context (peer_info->root_context. in ());
-    this->naming_svr_->peer_naming_manager (peer_info->naming_manager.in ());
-  }
-  catch (const CORBA::Exception& ex) {
-    // Unable to contact the peer replica.
-    if (TAO_debug_level > 1)
-      ex._tao_print_exception (
-        ACE_TEXT ("TAO_FT_Naming_Replication_Manager::")
-        ACE_TEXT ("register_with_peer_replica\n"));
-    result = -1;
-  }
-
-  return result;
-
-}
-
-::FT_Naming::ReplicationManager_ptr
-TAO_FT_Naming_Replication_Manager::reference (void)
-{
-  ACE_TRACE (ACE_TEXT ("TAO_FT_Naming_Replication_Manager::reference"));
-  return ::FT_Naming::ReplicationManager::_duplicate (reference_.in ());
+bool
+TAO_FT_Naming_Replication_Manager::update_peer_registration (void)
+{
+  FT_Naming::ReplicaInfo info;
+  info.combined = this->send_combos_;
+  if (this->send_combos_)
+    {
+      info.root_context = this->server_.ft_root_context ();
+      info.naming_manager = this->server_.ft_naming_manager ();
+      this->send_combos_ = false;
+    }
+  else
+    {
+      info.root_context = this->server_.my_root_context ();
+      info.naming_manager = this->server_.my_naming_manager ();
+    }
+  bool success = false;
+  try
+    {
+      this->peer_->register_peer (this->me_, info, this->seq_num_);
+      success = true;
+    }
+  catch (const CORBA::Exception &)
+    {
+    }
+  return success;
+}
+
+
+bool
+TAO_FT_Naming_Replication_Manager::init_peer (void)
+{
+  ACE_TString replica_ior_file = this->server_.replica_ior_filename (true);
+
+  if (TAO_debug_level > 1)
+    {
+      ORBSVCS_DEBUG ((LM_INFO,
+                      ACE_TEXT("Resolving Naming replica from file %C\n"),
+                      replica_ior_file.c_str()));
+    }
+
+  if (ACE_OS::access (replica_ior_file.c_str (), F_OK) != 0)
+    {
+      this->peer_ =
+        FT_Naming::UpdatePushNotifier::_nil();
+      return false;
+    }
+
+  this->replica_ior_ = ACE_CString ("file://") +
+#if defined (ACE_USES_WCHAR)
+    ACE_CString (ACE_TEXT_ALWAYS_CHAR (replica_ior_file.c_str()));
+#else
+    replica_ior_file;
+#endif /* ACE_USES_WCHAR */
+  return true;
 }
diff --git a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Replication_Manager.h b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Replication_Manager.h
index a751bf7e3cc..ca1cb94c34a 100644
--- a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Replication_Manager.h
+++ b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Replication_Manager.h
@@ -1,113 +1,110 @@
-// -*- C++ -*-
+/* -*- C++ -*- */
 
 //=============================================================================
 /**
- * @file   FT_Naming_Replication_Manager.h
- *
- * @author Kevin Stanley <stanleyk@ociweb.com>
- */
+*  @file Replicator.h
+*
+*
+*  Based on the replicator class used in the ImR.
+*
+*/
 //=============================================================================
 
+#ifndef FT_REPLICATOR_H
+#define FT_REPLICATOR_H
 
-#ifndef TAO_FT_NAMING_REPLICATION_MANAGER_H
-#define TAO_FT_NAMING_REPLICATION_MANAGER_H
-
-#include /**/ "ace/pre.h"
-
-#include "orbsvcs/Naming/FaultTolerant/ftnaming_export.h"
-#include "orbsvcs/FT_NamingReplicationS.h"
-#include "ace/Recursive_Thread_Mutex.h"
+#include "ace/config-lite.h"
 
 #if !defined (ACE_LACKS_PRAGMA_ONCE)
-#pragma once
+# pragma once
 #endif /* ACE_LACKS_PRAGMA_ONCE */
 
-#include "orbsvcs/FT_NamingReplicationC.h"
+#include "orbsvcs/FT_NamingReplicationS.h"
+#include "ace/Bound_Ptr.h"
+#include "ace/Vector_T.h"
+#include "ace/Task.h"
 
-TAO_BEGIN_VERSIONED_NAMESPACE_DECL
+#include <set>
 
+class TAO_FT_Naming_Replication_Manager;
 class TAO_FT_Naming_Server;
 
-/**
- * @class TAO_FT_Naming_Replication_Manager
- * @brief The class that implements the FT_Naming::ReplicationManager
- * interface.
- */
-class TAO_FtNaming_Export TAO_FT_Naming_Replication_Manager
-  : public virtual POA_FT_Naming::ReplicationManager
+class FT_Update_Replicant_i : public virtual POA_FT_Naming::UpdatePushNotifier
 {
 public:
+  FT_Update_Replicant_i (TAO_FT_Naming_Replication_Manager &owner);
 
-  /// Create a Replication Manager and provide it with the naming server
-  /// to be updated whenever notified by the peer replica
-  TAO_FT_Naming_Replication_Manager(TAO_FT_Naming_Server *naming_svr,
-                                    const char* repl_mgr_name);
-
-  virtual ~TAO_FT_Naming_Replication_Manager(void);
-
-  /// Initialize the naming manager. This will provide the poa to
-  /// the naming manager and underlying components for use in
-  /// managing the object groups.
-  void initialize (CORBA::ORB_ptr orb,
-                   PortableServer::POA_ptr root_poa);
-
-
-  /// Implementation of the FT_Naming::ReplicationManager interface
-  virtual ::FT_Naming::ReplicaInfo * register_replica (
-    ::FT_Naming::ReplicationManager_ptr replica,
-    const ::FT_Naming::ReplicaInfo & replica_info);
-
-  /// This method implements the operation invoked by the peer replica when an
-  /// object group is updated on the remote process.
-  virtual void notify_updated_object_group (
-    const FT_Naming::ObjectGroupUpdate & group_info);
-
-  /// This method implements the operation invoked by the peer replica when an
-  /// naming context is updated on the remote process.
-  virtual void notify_updated_context (
-    const FT_Naming::NamingContextUpdate & group_info);
+  virtual void register_peer (::FT_Naming::UpdatePushNotifier_ptr peer,
+                              const ::FT_Naming::ReplicaInfo & info,
+                              CORBA::ULongLong seq_num);
 
-  /// Retrieve the object reference for the peer naming service
-  /// ReplicationManager.
-  static FT_Naming::ReplicationManager_ptr peer_replica (void);
+  virtual void notify_update (CORBA::ULongLong seq_num,
+                              FT_Naming::UpdateInfoSeq& info);
 
- /*
-  * Utilities for implementing the FT_Naming::ReplicationManager
-  */
-
-  /// Stores the peer in the peer_replica_ data member and invokes the
-  /// register_replica interface method with the peer. Returns 0 if
-  /// successful and -1 if unable to contact the peer.
-  int register_with_peer_replica (FT_Naming::ReplicationManager_ptr replica,
-                                  CosNaming::NamingContext_ptr nc,
-                                  FT_Naming::NamingManager_ptr rm);
-
-  /// The object reference for this servant instance
-  FT_Naming::ReplicationManager_ptr reference (void);
-
-protected:
-
-  // The object which implements the naming service and the object manager
-  TAO_FT_Naming_Server *naming_svr_;
+private:
+  TAO_FT_Naming_Replication_Manager &owner_;
+};
 
-  // Store the reference to the replica object reference
-  // For now only a single replica is supported.
-  static FT_Naming::ReplicationManager_var peer_replica_;
+/**
+* @class Replicator
+*
+* @brief Manages the notification between the peers whenever a
+* context or object group changes state. The goal is to ensure
+* the servicing ORB never blocks for want of a channel to notify
+* the peer.
+*
+* This goal is attained by running a separate ORB in a separate thread,
+* and using the ORB's reactor notification mechanism as a way to ensure
+* the application ORB never blocks.
+*/
+
+class TAO_FT_Naming_Replication_Manager : public ACE_Task_Base
+{
+public:
+  friend class FT_Update_Replicant_i;
 
-  PortableServer::POA_var repl_mgr_poa_;
+  typedef FT_Naming::UpdatePushNotifier_var Replica_var;
+  typedef FT_Naming::UpdatePushNotifier_ptr Replica_ptr;
 
-  ACE_CString repl_mgr_name_;
+  TAO_FT_Naming_Replication_Manager (TAO_FT_Naming_Server &owner);
 
-  FT_Naming::ReplicationManager_var reference_;
+  virtual ~TAO_FT_Naming_Replication_Manager(void);
 
-  /// Lock used to serialize access to fault tolerant extensions
-  /// to Naming Service.
+  virtual int svc (void);
+  virtual int handle_exception (ACE_HANDLE );
+
+  void stop (void);
+  void send_context_update (const ACE_CString &ctx,
+                            FT_Naming::ChangeType update);
+  void send_objgrp_update (PortableGroup::ObjectGroupId id,
+                           FT_Naming::ChangeType update);
+
+  void init_orb (void);
+
+  bool init_peer (void );
+  bool peer_init_i (void );
+  void send_registration (bool use_combo);
+  bool update_peer_registration ();
+
+  bool peer_available (void);
+  char * ior (void);
+
+private:
+  Replica_var me_;
+  Replica_var peer_;
+  CORBA::ULongLong seq_num_;
+  CORBA::ULongLong replica_seq_num_;
+  TAO_FT_Naming_Server &server_;
+  CORBA::ORB_var orb_;
+  ACE_Reactor *reactor_;
   TAO_SYNCH_MUTEX lock_;
-
+  bool notified_;
+  FT_Naming::UpdateInfoSeq to_send_;
+  ACE_CString endpoint_;
+  ACE_Time_Value update_delay_;
+  ACE_CString replica_ior_;
+  bool send_combos_;
+  bool refresh_peer_;
 };
 
-TAO_END_VERSIONED_NAMESPACE_DECL
-
-#include /**/ "ace/post.h"
-
-#endif /* TAO_FT_NAMING_REPLICATION_MANAGER_H */
+#endif /* FT_REPLICATOR_H */
diff --git a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Server.cpp b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Server.cpp
index 0de2088acd3..a73f022a776 100644
--- a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Server.cpp
+++ b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Server.cpp
@@ -4,6 +4,7 @@
 /**
  * @file   FT_Naming_Server.cpp
  *
+ *
  * @author Kevin Stanley <stanleyk@ociweb.com>
  */
 //=============================================================================
@@ -30,7 +31,6 @@
 #include "ace/Get_Opt.h"
 #include "ace/OS_NS_unistd.h"
 
-#include "tao/IORTable/IORTable.h"
 #include "tao/ORB_Core.h"
 
 #include "tao/debug.h"
@@ -39,7 +39,7 @@
 
 #include "tao/debug.h"
 #include "tao/default_ports.h"
-
+#include "tao/IORTable/IORTable.h"
 #include "tao/IORManipulation/IORManip_Loader.h"
 
 #if defined (TAO_HAS_CORBA_MESSAGING) && TAO_HAS_CORBA_MESSAGING != 0
@@ -48,33 +48,189 @@
 
 #include "tao/AnyTypeCode/Any.h"
 
-const ACE_TCHAR*
-TAO_FT_Naming_Server::primary_replica_ior_filename =
+const ACE_TCHAR* primary_replica_ior_filename =
   ACE_TEXT ("ns_replica_primary.ior");
 
-const ACE_TCHAR*
-TAO_FT_Naming_Server::backup_replica_ior_filename =
+const ACE_TCHAR* backup_replica_ior_filename =
   ACE_TEXT ("ns_replica_backup.ior");
 
+
+TAO_FTNS_Notifier::TAO_FTNS_Notifier (TAO_FT_Naming_Server &owner, bool iors)
+  : owner_ (owner),
+    iors_ (iors)
+{
+}
+
+int
+TAO_FTNS_Notifier::handle_exception (ACE_HANDLE )
+{
+  if (this->iors_)
+    owner_.update_iors_i();
+  else
+    owner_.update_info_i();
+  return 0;
+}
+
 /// Default Constructor.
 TAO_FT_Naming_Server::TAO_FT_Naming_Server (void)
-  : replica_id_ (0),
+  : TAO_Naming_Server (IOR_ARRAY_SIZE),
     naming_manager_ (),
-    replication_manager_ (0),
-    combined_naming_service_ior_file_name_ (0),
-    combined_naming_manager_ior_file_name_ (0),
-    naming_manager_ior_file_name_ (0),
-    naming_manager_persistence_file_name_ (0),
+    replicator_ (0),
     use_object_group_persistence_ (0),
-    server_role_ (STANDALONE)
+    server_role_ (STANDALONE),
+    ft_endpoint_ (""),
+    ft_update_delay_ (ACE_Time_Value::zero),
+    registered_ (false),
+    ior_notifier_ (*this, true),
+    info_notifier_ (*this, false),
+    u_iors_(),
+    u_infos_(),
+    ior_lock_(),
+    info_lock_()
+
+{
+}
+
+void
+TAO_FT_Naming_Server::update_info_i (void)
+{
+  while (true)
+    {
+      FT_Naming::UpdateInfoSeq_var block;
+      {
+        ACE_Guard<ACE_Thread_Mutex> guard(this->info_lock_,false);
+        if (!guard.locked())
+          {
+            if (TAO_debug_level > 1)
+              {
+                ORBSVCS_DEBUG((LM_DEBUG, "(%P|%t) FT_Naming_Server update_info_i iterator waiting\n"));
+              }
+            guard.acquire();
+            if (TAO_debug_level > 1)
+              {
+                ORBSVCS_DEBUG((LM_DEBUG, "(%P|%t) FT_Naming_Server update_info_i iterator proceeding\n"));
+              }
+          }
+        if (this->u_infos_.dequeue_head(block.out()) == -1)
+          {
+            break;
+          }
+      }
+
+      for (CORBA::ULong i = 0; i < block->length(); i++)
+        {
+          FT_Naming::UpdateInfo &infoRef = (*block)[i];
+
+          if (infoRef._d() == FT_Naming::ctx_name)
+            {
+              this->update_naming_context (infoRef.ctx());
+            }
+          else
+            {
+              this->update_object_group (infoRef.grp());
+            }
+        }
+    }
+}
+
+void
+TAO_FT_Naming_Server::update_info (FT_Naming::UpdateInfoSeq &infos)
+{
+
+  CORBA::ULong count = infos.length();
+  FT_Naming::UpdateInfo* guts = infos.get_buffer(true);
+  FT_Naming::UpdateInfoSeq* block = 0;
+  ACE_NEW(block, FT_Naming::UpdateInfoSeq (count,count,guts,true));
+  {
+    ACE_Guard<ACE_Thread_Mutex> guard(this->info_lock_,false);
+    if (!guard.locked())
+      {
+        if (TAO_debug_level > 1)
+          {
+            ORBSVCS_DEBUG((LM_DEBUG, "(TAO %P|%t) FT_Naming_Server update_info loader waiting\n"));
+          }
+        guard.acquire();
+        if (TAO_debug_level > 1)
+          {
+            ORBSVCS_DEBUG((LM_DEBUG, "(TAO %P|%t) FT_Naming_Server update_info loader proceeding\n"));
+          }
+      }
+    this->u_infos_.enqueue_tail (block);
+  }
+
+  this->orb_->orb_core ()->reactor ()->notify (&this->info_notifier_);
+}
+
+void
+TAO_FT_Naming_Server::update_iors_i (void)
+{
+  while (true)
+    {
+      FT_Naming::ReplicaInfo rep;
+      {
+        ACE_Guard<ACE_Thread_Mutex> guard(this->info_lock_,false);
+        if (!guard.locked())
+          {
+            if (TAO_debug_level > 1)
+              {
+                ORBSVCS_DEBUG((LM_DEBUG, "(TAO %P|%t) FT_Naming_Server update_iors_1 iterator waiting\n"));
+              }
+            guard.acquire();
+            if (TAO_debug_level > 1)
+              {
+                ORBSVCS_DEBUG((LM_DEBUG, "(TAO %P|%t) FT_Naming_Server update_iors_i iterator proceeding\n"));
+              }
+          }
+        if (this->u_iors_.dequeue_head(rep) == -1)
+          {
+            break;
+          }
+      }
+
+      if (rep.combined)
+        {
+          this->update_ior (FT_Naming::ctx_name, rep.root_context.in());
+          this->update_ior (FT_Naming::obj_grp, rep.naming_manager.in());
+        }
+      else
+        {
+          this->combine_iors (FT_Naming::ctx_name, rep.root_context.in());
+          this->combine_iors (FT_Naming::obj_grp, rep.naming_manager.in());
+          this->replicator_->send_registration (true);
+        }
+    }
+}
+
+void
+TAO_FT_Naming_Server::update_iors (const FT_Naming::ReplicaInfo & iors )
 {
+  {
+    ACE_Guard<ACE_Thread_Mutex> guard(this->info_lock_,false);
+    if (!guard.locked())
+      {
+        if (TAO_debug_level > 1)
+          {
+            ORBSVCS_DEBUG((LM_DEBUG, "(%P|%t) FT_Naming_Server update_iors loader waiting\n"));
+          }
+        guard.acquire();
+        if (TAO_debug_level > 1)
+          {
+            ORBSVCS_DEBUG((LM_DEBUG, "(%P|%t) FT_Naming_Server update_iors loader proceeding\n"));
+          }
+      }
+    this->u_iors_.enqueue_tail(iors);
+  }
+  this->orb_->orb_core ()->reactor ()->notify (&this->ior_notifier_);
 }
 
+
 int
 TAO_FT_Naming_Server::init_with_orb (int argc,
                                      ACE_TCHAR *argv [],
                                      CORBA::ORB_ptr orb)
 {
+  ACE_NEW_RETURN (this->replicator_, TAO_FT_Naming_Replication_Manager (*this), -1);
+
   // Invoke the base class initialization to setup the naming service
   // What follows after that are the initialization steps to support
   // fault tolerance and load balancing with the FT_Naming_Manager
@@ -96,9 +252,17 @@ TAO_FT_Naming_Server::init_with_orb (int argc,
         }
 
       TAO::Storable_Factory * object_group_storable_factory;
+#if defined (ACE_USES_WCHAR)
+      ACE_CString alt_group_dir =
+        ACE_TEXT_ALWAYS_CHAR (this->object_group_dir_.c_str());
+      ACE_NEW_RETURN (object_group_storable_factory,
+                      TAO::Storable_FlatFileFactory (alt_group_dir),
+                      -1);
+#else
       ACE_NEW_RETURN (object_group_storable_factory,
                       TAO::Storable_FlatFileFactory (this->object_group_dir_),
                       -1);
+#endif /* ACE_USES_WCHAR */
 
       naming_manager_.set_object_group_storable_factory (
         object_group_storable_factory);
@@ -114,45 +278,21 @@ TAO_FT_Naming_Server::init_with_orb (int argc,
   if (result != 0)
     return result;
 
-  try {
-
-    // Initialize the replication manager
-    result = init_replication_manager_with_orb (argc, argv, orb);
-    if (result != 0)
-      return result;
-
-    // Setup the pairing with peer
-    result = init_replication_pairing ();
-
-    // If we successfully paired, we are a backup and
-    // we have a peer_root_context, then export the combined IORs
-    if ((result == 0) &&
-        (this->server_role_ == TAO_FT_Naming_Server::BACKUP) &&
-        (!CORBA::is_nil (peer_root_context_.in ())))
-          { // If we successfully initialized the replication manager and we are
-            // a backup server, then we should export the multi-profile
-            // references to files. No need to write out the IOR if we
-
-            if (TAO_debug_level > 3)
-              ORBSVCS_DEBUG ((LM_DEBUG,
-                          ACE_TEXT ("(%P|%t) - FT_Naming_Server ")
-                          ACE_TEXT ("Writing combined IOR.\n")));
-
-            result = export_ft_naming_references ();
-          }
-    else if (result == 1)
-      { // Primary was started in the past, but it is not currently
-        // accessible for pairing. Primary will initiate pairing when
-        // it is restarted.
-        ORBSVCS_DEBUG ((LM_DEBUG,
-                    ACE_TEXT ("Unable to pair with primary\n")));
-        result = 0; // This is a normal situation on backup restart.
-      }
-  }
+  try
+    {
+      // Initialize the replicator if necessary
+      result = init_replicator ();
+      if (result != 0)
+        return result;
+
+      // Setup the pairing with peer
+      init_replication_pairing ();
+      this->naming_manager_.set_replicator (this->replicator_);
+    }
   catch (const CORBA::Exception& ex)
     { // No exceptions are expected.
-      ex._tao_print_exception (
-        ACE_TEXT ("TAO_FT_Naming_Server::init_with_orb"));
+      ex._tao_print_exception
+        (ACE_TEXT ("TAO_FT_Naming_Server::init_with_orb"));
       return -1;
     }
 
@@ -160,13 +300,8 @@ TAO_FT_Naming_Server::init_with_orb (int argc,
 }
 
 int
-TAO_FT_Naming_Server::init_naming_manager_with_orb (int argc,
-                                                    ACE_TCHAR *argv [],
-                                                    CORBA::ORB_ptr orb)
+TAO_FT_Naming_Server::init_naming_manager_with_orb (int, ACE_TCHAR *[], CORBA::ORB_ptr orb)
 {
-  ACE_UNUSED_ARG (argc);
-  ACE_UNUSED_ARG (argv);
-
   int result = 0;
 
   // Need to lock during startup to prevent access of partially
@@ -176,441 +311,161 @@ TAO_FT_Naming_Server::init_naming_manager_with_orb (int argc,
                       this->lock_,
                       CORBA::INTERNAL ());
 
-  try {
-
-    // Get the POA from the ORB.
-    CORBA::Object_var poa_object =
-      orb->resolve_initial_references ("RootPOA");
-
-    if (CORBA::is_nil (poa_object.in ()))
+  try
     {
-      ORBSVCS_ERROR_RETURN ((LM_ERROR,
-        ACE_TEXT(" (%P|%t) ERROR: Unable to initialize the POA.\n")),
-        -1);
-    }
-
-    if (result != 0)
-      return result;
-
-    // Get the POA object.
-    this->root_poa_ = PortableServer::POA::_narrow (poa_object.in ());
-
-    // Get the POA_Manager.
-    PortableServer::POAManager_var poa_manager =
-      this->root_poa_->the_POAManager ();
-
-    int numPolicies = 2;
+      if (CORBA::is_nil (this->orb_.in ()))
+        {
+          this->orb_ = CORBA::ORB::_duplicate (orb);
+        }
 
-    CORBA::PolicyList policies (numPolicies);
-    policies.length (numPolicies);
+      // Get the POA from the ORB.
+      CORBA::Object_var poa_object =
+        orb->resolve_initial_references ("RootPOA");
 
-    // Id Assignment policy
-    policies[0] =
-      this->root_poa_->create_id_assignment_policy (PortableServer::USER_ID);
+      if (CORBA::is_nil (poa_object.in ()))
+        {
+          ORBSVCS_ERROR_RETURN ((LM_ERROR,
+                                 ACE_TEXT(" (%P|%t) ERROR: Unable to initialize the POA.\n")),
+                                -1);
+        }
 
-    // Lifespan policy
-    policies[1] =
-      this->root_poa_->create_lifespan_policy (PortableServer::PERSISTENT);
+      if (result != 0)
+        return result;
 
-    /* Register the naming manager with a POA
-    * TODO: 1) Error checking
-    *       2) Write IOR to file
-    *       3) Persistence for Object Group Manager
-    */
+      this->root_poa_ = PortableServer::POA::_narrow (poa_object.in ());
+      PortableServer::POAManager_var poa_manager =
+        this->root_poa_->the_POAManager ();
 
-    // We use a different POA, otherwise the user would have to change
-    // the object key each time it invokes the server.
-    this->naming_manager_poa_ = this->root_poa_->create_POA (
-      "NamingManager",
-      poa_manager.in (),
-      policies);
-    // Warning!  If create_POA fails, then the policies won't be
-    // destroyed and there will be hell to pay in memory leaks!
+      int numPolicies = 2;
+      CORBA::PolicyList policies (numPolicies);
+      policies.length (numPolicies);
+      policies[0] =
+        this->root_poa_->create_id_assignment_policy (PortableServer::USER_ID);
+      policies[1] =
+        this->root_poa_->create_lifespan_policy (PortableServer::PERSISTENT);
 
-    // Creation of the new POAs over, so destroy the Policy_ptr's.
-    for (CORBA::ULong i = 0;
-      i < policies.length ();
-      ++i)
-    {
-      CORBA::Policy_ptr policy = policies[i];
-      policy->destroy ();
-    }
+      this->naming_manager_poa_ =
+        this->root_poa_->create_POA ("NamingManager",
+                                     poa_manager.in (),
+                                     policies);
 
-    poa_manager->activate ();
+      for (CORBA::ULong i = 0; i < policies.length (); ++i)
+        {
+          CORBA::Policy_ptr policy = policies[i];
+          policy->destroy ();
+        }
+      poa_manager->activate ();
 
-    // Register with the POA.
-    PortableServer::ObjectId_var id =
-      PortableServer::string_to_ObjectId (
-         "NamingManager");
+      PortableServer::ObjectId_var id =
+        PortableServer::string_to_ObjectId ("NamingManager");
 
-    this->naming_manager_poa_->activate_object_with_id (
-       id.in (),
-       &this->naming_manager_);
+      this->naming_manager_poa_->activate_object_with_id (id.in (), &this->naming_manager_);
+      this->assign (size_t(GROUP), true, this->naming_manager_poa_->id_to_reference (id.in ()));
 
-    CORBA::Object_var nm_obj =
-      this->naming_manager_poa_->id_to_reference (id.in ());
+      if (write (size_t(GROUP)) != 0)
+        return -1;
 
-    this->my_naming_manager_ = FT_Naming::NamingManager::_narrow (nm_obj.in ());
 
-    this->naming_manager_ior_ =
-      orb->object_to_string (this->my_naming_manager_.in ());
+      this->naming_manager_.initialize (this->orb_.in (),
+                                        this->naming_manager_poa_.in ());
 
-  // write out our object reference to the file defined in the -h option
-  if (this->naming_manager_ior_file_name_ != 0)
-    {
-      if (this->write_ior_to_file (
-            this->naming_manager_ior_.in (),
-            ACE_TEXT_ALWAYS_CHAR (this->naming_manager_ior_file_name_)) != 0)
-        {
-          ORBSVCS_ERROR_RETURN ((LM_ERROR,
-                             ACE_TEXT ("(%P|%t) ERROR: Unable to open %s ")
-                             ACE_TEXT ("for writing:(%u) %p\n"),
-                             this->naming_manager_ior_file_name_,
-                             ACE_ERRNO_GET,
-                             ACE_TEXT ("TAO_Naming_Server::")
-                             ACE_TEXT ("init_naming_manager_with_orb")),
-                            -1);
-        }
     }
-
-  this->naming_manager_.initialize (this->orb_.in (),
-                                    this->naming_manager_poa_.in ());
-
-  }
   catch (const CORBA::Exception& ex)
     {
       ex._tao_print_exception (
-        ACE_TEXT ("TAO_FT_Naming_Server::init_naming_manager_with_orb"));
+                               ACE_TEXT ("TAO_FT_Naming_Server::init_naming_manager_with_orb"));
       return -1;
     }
-
-  // Make the Object Group Manager easily accessible using Interoperable
-  // Naming Service IORs
   CORBA::Object_var table_object =
     orb->resolve_initial_references ("IORTable");
 
-  IORTable::Table_var adapter =
+  IORTable::Table_var ior_table =
     IORTable::Table::_narrow (table_object.in ());
-  if (CORBA::is_nil (adapter.in ()))
-  {
-    ORBSVCS_ERROR ((LM_ERROR,
-                ACE_TEXT ("(%P|%t) ERROR: TAO_FT_Naming_Server::")
-                ACE_TEXT ("init_naming_manager_with_orb - Nil IORTable\n")));
-  }
-  else
-  {
-    CORBA::String_var ior = this->naming_manager_ior ();
-    adapter->bind ("NamingManager", ior.in ());
-  }
-
+  if (!CORBA::is_nil (ior_table))
+    {
+      ior_table->bind ("NamingManager",
+                       this->iors_[GROUP].ior_.c_str ());
+    }
   return 0;
 }
 
 int
-TAO_FT_Naming_Server::init_replication_manager_with_orb (int argc,
-                                                         ACE_TCHAR *argv [],
-                                                         CORBA::ORB_ptr orb)
+TAO_FT_Naming_Server::init_replicator (void)
 {
-  ACE_UNUSED_ARG (argc);
-  ACE_UNUSED_ARG (argv);
+  if (this->server_role_ == STANDALONE )
+    return 0;
 
-  // Need to lock during startup to prevent access of partially initialized
-  // variables
   ACE_GUARD_THROW_EX (ACE_SYNCH_RECURSIVE_MUTEX,
                       ace_mon,
                       this->lock_,
                       CORBA::INTERNAL ());
-
-  // If redundancy is not requested, then do not initialize the
-  // replication manager
-  if (!this->use_redundancy_)
-    return 0;
-
-  int result = 0;
-
-  try {
-
-    // Get the POA from the ORB.
-    CORBA::Object_var poa_object =
-      orb->resolve_initial_references ("RootPOA");
-
-    if (CORBA::is_nil (poa_object.in ()))
-    {
-      ORBSVCS_ERROR_RETURN ((LM_ERROR,
-        ACE_TEXT(" (%P|%t) ERROR: Unable to initialize the POA.\n")),
-        -1);
-    }
-
-    if (result != 0)
-      return result;
-
-    // Get the POA object.
-    this->root_poa_ = PortableServer::POA::_narrow (poa_object.in ());
-
-    // Get the POA_Manager.
-    PortableServer::POAManager_var poa_manager =
-      this->root_poa_->the_POAManager ();
-
-    int numPolicies = 2;
-
-    CORBA::PolicyList policies (numPolicies);
-    policies.length (numPolicies);
-
-    // Id Assignment policy
-    policies[0] =
-      this->root_poa_->create_id_assignment_policy (PortableServer::USER_ID);
-
-    // Lifespan policy
-    policies[1] =
-      this->root_poa_->create_lifespan_policy (PortableServer::PERSISTENT);
-
-    // We use a different POA, otherwise the user would have to change
-    // the object key each time it invokes the server.
-    this->replication_manager_poa_ = this->root_poa_->create_POA (
-      ACE_TEXT_ALWAYS_CHAR (this->replica_id_ ),
-      poa_manager.in (),
-      policies);
-
-    // Warning!  If create_POA fails, then the policies won't be
-    // destroyed and there will be hell to pay in memory leaks!
-
-    // Creation of the new POAs over, so destroy the Policy_ptr's.
-    for (CORBA::ULong i = 0;
-      i < policies.length ();
-      ++i)
+  try
     {
-      CORBA::Policy_ptr policy = policies[i];
-      policy->destroy ();
+      this->replicator_->init_orb();
+      this->replicator_->activate();
+      this->iors_[REPLICATOR].ior_ = this->replicator_->ior ();
+      this->iors_[REPLICATOR].filename_ = this->replica_ior_filename (false);
+      this->write(REPLICATOR);
     }
-
-    poa_manager->activate ();
-
-    // Construct the replication manager providing it with its ID
-    ACE_NEW_RETURN (this->replication_manager_,
-                    TAO_FT_Naming_Replication_Manager (
-                      this,
-                      ACE_TEXT_ALWAYS_CHAR (this->replica_id_)),
-                    -1);
-
-    // Register with the POA.
-    PortableServer::ObjectId_var id =
-      PortableServer::string_to_ObjectId (
-        ACE_TEXT_ALWAYS_CHAR (this->replica_id_));
-
-    this->replication_manager_poa_->activate_object_with_id (
-      id.in (),
-      this->replication_manager_);
-
-    CORBA::Object_var repl_mgr_ref =
-      this->replication_manager_poa_->id_to_reference (id.in ());
-
-    this->replication_manager_ior_ =
-      orb->object_to_string (repl_mgr_ref.in ());
-
-    // Provide the replication manager its ORB and POA
-    this->replication_manager_->initialize (
-      this->orb_.in (),
-      this->replication_manager_poa_.in ());
-  }
   catch (const CORBA::Exception& ex)
     {
       ex._tao_print_exception (
-        ACE_TEXT ("TAO_FT_Naming_Server::init_replication_manager_with_orb.\n"));
+        ACE_TEXT ("TAO_FT_Naming_Server::init_replicator\n"));
       return -1;
     }
 
-  // Success
   return 0;
 }
 
-int
-TAO_FT_Naming_Server::init_replication_pairing (void)
+ACE_TString
+TAO_FT_Naming_Server::replica_ior_filename (bool peer_ior_file) const
 {
-
-  ACE_CString primary_file_name (
-      ACE_TEXT_ALWAYS_CHAR (this->persistence_file_name_));
-  primary_file_name += "/";
-  primary_file_name +=
-    ACE_TEXT_ALWAYS_CHAR (TAO_FT_Naming_Server::primary_replica_ior_filename);
-
-  ACE_CString backup_file_name (
-      ACE_TEXT_ALWAYS_CHAR (this->persistence_file_name_));
-  backup_file_name += "/";
-  backup_file_name +=
-    ACE_TEXT_ALWAYS_CHAR (TAO_FT_Naming_Server::backup_replica_ior_filename);
-
-  if (this->server_role_ == PRIMARY)
-    { // We are the primary
-      if (TAO_debug_level > 3)
-        ORBSVCS_DEBUG ((LM_DEBUG,
-                    ACE_TEXT ("(%P|%t) - FT_Naming_Server ")
-                    ACE_TEXT ("is a primary\n")));
-
-      // Write out this replicas IOR for the backup to use to bootstrap
-      CORBA::String_var replication_ior = naming_service_ior ();
-      this->write_ior_to_file (
-                               this->replication_manager_ior_.in (),
-                               primary_file_name.c_str ());
-
-      // Check if there is already a backup IOR file. If so, then the backup
-      // may be up and running so we should register with it.
-      CORBA::Object_var backup_ior;
-      if (TAO_debug_level > 3)
-        ORBSVCS_DEBUG ((LM_DEBUG,
-                    ACE_TEXT ("(%P|%t) - FT_Naming_Server reading ")
-                    ACE_TEXT ("backup ior file\n")));
-
-      if ((ACE_OS::access (primary_file_name.c_str (),
-                           R_OK) == 0) &&
-          this->read_reference_from_file (backup_file_name.c_str (),
-                                          backup_ior.out ()) == 0)
-        {// Success in reading backup IOR file
-          // Store the backup reference as our peer
-          FT_Naming::ReplicationManager_var peer_ref =
-              FT_Naming::ReplicationManager::_narrow (backup_ior.in ());
-
-          if (TAO_debug_level > 3)
-            ORBSVCS_DEBUG ((LM_DEBUG,
-                        ACE_TEXT ("(%P|%t) - FT_Naming_Server ")
-                        ACE_TEXT ("narrowing IOR\n")));
-          if (CORBA::is_nil (peer_ref.in ()))
-            ORBSVCS_ERROR_RETURN (
-                              (LM_ERROR,
-                               ACE_TEXT ("(%P|%t) ERROR: IOR in file %s is not ")
-                               ACE_TEXT ("a FT_Naming::ReplicationManager\n"),
-                               primary_file_name.c_str ()),
-                              -1);
-
-          try {
-              if (TAO_debug_level > 3)
-                ORBSVCS_DEBUG (
-                           (LM_DEBUG,
-                            ACE_TEXT ("(%P|%t) - FT_Naming_Server registering ")
-                            ACE_TEXT ("with backup.\n")));
-
-              // Register with the backup
-              CosNaming::NamingContext_var root = this->my_root_context ();
-              FT_Naming::NamingManager_var nm = this->my_naming_manager ();
-
-              int registration_result =
-                this->replication_manager_->register_with_peer_replica (
-                   peer_ref.in (),
-                   root.in (),
-                   nm.in ());
-
-              if (registration_result == 0)
-                {
-                  if (TAO_debug_level > 3)
-                    ORBSVCS_DEBUG ((LM_DEBUG,
-                                ACE_TEXT ("(%P|%t) - FT_Naming_Server ")
-                                ACE_TEXT ("registered with backup.\n")));
-                }
-              else
-                {
-                  if (TAO_debug_level > 3)
-                    ORBSVCS_DEBUG ((LM_DEBUG,
-                                ACE_TEXT ("(%P|%t) - FT_Naming_Server:Backup peer ")
-                                ACE_TEXT ("replica not started yet.\n")));
-                }
-          }
-          catch (const CORBA::Exception& ex)
-            {
-              // Its Ok that we were unable to contact the backup peer.
-              // It has apparently not started yet.
-              // It will register with the primary when it starts up.
-              ex._tao_print_exception (
-                 ACE_TEXT ("Backup peer replica not started yet.\n"));
-            }
-        }
-      else
-        {
-          // Could not get the backup replica from the IOR file, which is OK.
-          // The backup will register with us in the future.
-          if (TAO_debug_level > 3)
-            ORBSVCS_DEBUG ((LM_DEBUG,
-                        ACE_TEXT ("(%P|%t) - FT_Naming_Server no Replica ")
-                        ACE_TEXT ("IOR file. Waiting for registration.\n")));
-          }
+  ServerRole desired = this->server_role_;
+  if (peer_ior_file)
+    {
+      desired = (desired  == PRIMARY) ? BACKUP : PRIMARY;
     }
-  else if (this->server_role_ == TAO_FT_Naming_Server::BACKUP)
-    { // We are the backup
-      if (TAO_debug_level > 3)
-        ORBSVCS_DEBUG ((LM_DEBUG,
-                    ACE_TEXT ("(%P|%t) - FT_Naming_Server:Is a Backup\n")));
-
-      if (TAO_debug_level > 3)
-          ORBSVCS_DEBUG ((LM_DEBUG,
-                      ACE_TEXT ("(%P|%t) - FT_Naming_Server writing ")
-                      ACE_TEXT ("replica ior\n")));
-      // Write out the backup ior for use by the primary if it must be restarted.
-      this->write_ior_to_file (
-                               replication_manager_ior_.in (),
-                               backup_file_name.c_str ());
-
-      CORBA::Object_var primary_ref = CORBA::Object::_nil ();
+  ACE_TString path = this->persistence_dir_;
+  path += ACE_DIRECTORY_SEPARATOR_STR;
+  if (desired == PRIMARY)
+    {
+      path += primary_replica_ior_filename;
+    }
+  else
+    {
+      path += backup_replica_ior_filename;
+    }
+  return path;
+}
 
+void
+TAO_FT_Naming_Server::init_replication_pairing (void)
+{
+  if (this->server_role_ == STANDALONE)
+    {
       if (TAO_debug_level > 3)
         ORBSVCS_DEBUG ((LM_DEBUG,
-                    ACE_TEXT ("(%P|%t) - FT_Naming_Server ")
-                    ACE_TEXT ("reading primary ior file\n")));
-      // Check for the primary IOR.  We must have it to bootstrap the redundant
-      // naming pair.
-      if ((ACE_OS::access (primary_file_name.c_str (), R_OK) == 0) &&
-          (this->read_reference_from_file (primary_file_name.c_str (),
-                                           primary_ref.out ()) == 0))
-        { // There is a primary IOR file, so we must be restarting.
-          if (TAO_debug_level > 3)
-            ORBSVCS_DEBUG ((LM_DEBUG,
-                        ACE_TEXT ("(%P|%t) - FT_Naming_Server ")
-                        ACE_TEXT ("storing the primary reference ior\n")));
-          // Store the primary reference as our peer
-          FT_Naming::ReplicationManager_var peer_ref =
-            FT_Naming::ReplicationManager::_narrow (primary_ref.in ());
-
-          if (CORBA::is_nil (peer_ref.in ()))
-            ORBSVCS_ERROR_RETURN ((LM_ERROR,
-                               ACE_TEXT ("(%P|%t) ERROR: IOR in file %s ")
-                               ACE_TEXT ("is not a FT_Naming::ReplicationManager\n"),
-                               primary_file_name.c_str ()),
-                              -1);
+                        ACE_TEXT ("(%P|%t) - FT_Naming_Server:Is ")
+                        ACE_TEXT ("Standalone\n")));
+    }
 
-          if (TAO_debug_level > 3)
-            ORBSVCS_DEBUG ((LM_DEBUG,
-                        ACE_TEXT ("(%P|%t) - FT_Naming_Server ")
-                        ACE_TEXT ("backup registering with primary.\n")));
-          // Register with the primary
-          CosNaming::NamingContext_var root = this->my_root_context ();
-          FT_Naming::NamingManager_var nm = this->my_naming_manager ();
-          int registration_result =
-            this->replication_manager_->register_with_peer_replica (peer_ref.in (),
-                                                                    root.in (),
-                                                                    nm.in ());
-          if (registration_result == -1)
-            ORBSVCS_ERROR_RETURN ((LM_ERROR,
-                               ACE_TEXT ("(%P|%t) Backup unable to ")
-                               ACE_TEXT ("register with the primary at this time.\n")),
-                              1);
-        }
-      else
-        {
-          ORBSVCS_ERROR_RETURN ((LM_ERROR,
-                             ACE_TEXT ("(%P|%t) ERROR: No primary IOR ")
-                             ACE_TEXT ("available. Have you started the ")
-                             ACE_TEXT ("primary? Exiting.\n")),
-                            -1);
-        }
+  if (this->replicator_->init_peer ())
+    {
+      this->replicator_->send_registration (false);
     }
-  else
-    {// We are neither a primary or replica, but running in standalone mode
-      if (TAO_debug_level > 3)
-        ORBSVCS_DEBUG ((LM_DEBUG,
-                    ACE_TEXT ("(%P|%t) - FT_Naming_Server:Is Standalone\n")));
+}
 
-      }
+void
+TAO_FT_Naming_Server::no_replica ()
+{
 
-  return 0;
+  if (this->server_role_ == BACKUP)
+    {
+      this->recover_iors ();
+    }
 }
 
+
 int
 TAO_FT_Naming_Server::parse_args (int argc,
                                   ACE_TCHAR *argv[])
@@ -620,7 +475,8 @@ TAO_FT_Naming_Server::parse_args (int argc,
   // Define the arguments for primary and backup
   get_opts.long_option (ACE_TEXT ("primary"), ACE_Get_Opt::NO_ARG);
   get_opts.long_option (ACE_TEXT ("backup"), ACE_Get_Opt::NO_ARG);
-  bool role_defined = false;
+  get_opts.long_option (ACE_TEXT ("ftendpoint"), ACE_Get_Opt::ARG_REQUIRED);
+  get_opts.long_option (ACE_TEXT ("ftupdatedelay"), ACE_Get_Opt::ARG_REQUIRED);
 
   int c;
   int size;
@@ -641,7 +497,6 @@ TAO_FT_Naming_Server::parse_args (int argc,
   int f_opt_used = 0;
   int u_opt_used = 0;
   int r_opt_used = 0;
-
   int v_opt_used = 0;
 
   // TODO: remove unsupported options with FT Naming Server
@@ -652,16 +507,16 @@ TAO_FT_Naming_Server::parse_args (int argc,
         ++TAO_debug_level;
         break;
       case 'o': // outputs this servers naming service ior to a file.
-        this->ior_file_name_ = get_opts.opt_arg ();
+        this->iors_[ROOT].filename_ = get_opts.opt_arg ();
         break;
       case 'c': // outputs the multi-profile naming service ior file
-        this->combined_naming_service_ior_file_name_ = get_opts.opt_arg ();
+        this->iors_[FT_ROOT].filename_ = get_opts.opt_arg ();
         break;
       case 'g': // outputs the mutli-profile object group manager ior file
-        this->combined_naming_manager_ior_file_name_ = get_opts.opt_arg ();
+        this->iors_[FT_GROUP].filename_ = get_opts.opt_arg ();
         break;
       case 'h': // outputs the object group manager ior to a file
-        this->naming_manager_ior_file_name_ = get_opts.opt_arg ();
+        this->iors_[GROUP].filename_ = get_opts.opt_arg ();
         break;
       case 'l':
         this->naming_manager_.set_global_strategy (get_opts.opt_arg ());
@@ -694,24 +549,24 @@ TAO_FT_Naming_Server::parse_args (int argc,
         this->base_address_ = (void *) address;
         break;
       case 'f':
-        this->persistence_file_name_ = get_opts.opt_arg ();
+        this->persistence_dir_ = get_opts.opt_arg ();
         f_opt_used = 1;
         break;
 #if (TAO_HAS_MINIMUM_POA == 0) && !defined (CORBA_E_COMPACT)
       case 'r':
         this->use_redundancy_ = 1;
         this->use_storable_context_ = 1;
-        this->persistence_file_name_ = get_opts.opt_arg ();
+        this->persistence_dir_ = get_opts.opt_arg ();
         r_opt_used = 1;
         break;
       case 'u':
         this->use_storable_context_ = 1;
-        this->persistence_file_name_ = get_opts.opt_arg ();
+        this->persistence_dir_ = get_opts.opt_arg ();
         u_opt_used = 1;
         break;
       case 'v':
         this->use_object_group_persistence_ = 1;
-        this->object_group_dir_ = ACE_TEXT_ALWAYS_CHAR (get_opts.opt_arg ());
+        this->object_group_dir_ = get_opts.opt_arg ();
         v_opt_used = 1;
         break;
 
@@ -727,25 +582,38 @@ TAO_FT_Naming_Server::parse_args (int argc,
           const ACE_TCHAR *long_option = get_opts.long_option ();
           if (ACE_OS::strcmp (long_option, ACE_TEXT ("backup")) == 0)
             {
-              this->replica_id_ = ACE_TEXT ("Backup");
               this->server_role_ = TAO_FT_Naming_Server::BACKUP;
-              role_defined = true;
+              break;
             }
           else if (ACE_OS::strcmp (long_option,
                                    ACE_TEXT ("primary")) == 0)
             {
-              this->replica_id_ = ACE_TEXT ("Primary");
               this->server_role_ = TAO_FT_Naming_Server::PRIMARY;
-              role_defined = true;
+              break;
+            }
+          else if (ACE_OS::strcasecmp (long_option,
+                                       ACE_TEXT ("ftendpoint")) == 0)
+            {
+              this->ft_endpoint_ = ACE_TEXT_ALWAYS_CHAR (get_opts.opt_arg());
+              break;
+            }
+          else if (ACE_OS::strcasecmp (long_option,
+                                       ACE_TEXT ("ftupdatedelay")) == 0)
+            {
+              this->ft_update_delay_ =
+                ACE_Time_Value (0, 1000 * ACE_OS::atoi (get_opts.opt_arg()));
+              break;
             }
         }
-        break;
       case '?':
       default:
+        ORBSVCS_ERROR ((LM_ERROR,ACE_TEXT ("Unknown arg %c\n"), c ));
         ORBSVCS_ERROR_RETURN ((LM_ERROR,
                            ACE_TEXT ("usage:  %s\n")
                            ACE_TEXT ("--primary  (not used with --backup)\n")
                            ACE_TEXT ("--backup  (not used with --primary)\n")
+                           ACE_TEXT ("--FtEndpoint <endpoint for FT ORB>\n")
+                           ACE_TEXT ("--FtUpdateDelay <msec>\n")
                            ACE_TEXT ("-d\n")
                            ACE_TEXT ("-c <multi-profile_name_service_ior_file>\n")
                            ACE_TEXT ("-o <name_svc_ior_output_file>\n")
@@ -758,7 +626,7 @@ TAO_FT_Naming_Server::parse_args (int argc,
                            ACE_TEXT ("-m <1=enable multicast,")
                            ACE_TEXT (" 0=disable multicast(default)>\n")
                            ACE_TEXT ("-n <num_threads>\n")
-                           ACE_TEXT ("-f <persistence_file_name>\n")
+                           ACE_TEXT ("-f <persistence_directory>\n")
                            ACE_TEXT ("-u <storable_persistence_directory")
                            ACE_TEXT (" (not used with -f)>\n")
                            ACE_TEXT ("-v <storable_object_group_persistence")
@@ -779,39 +647,20 @@ TAO_FT_Naming_Server::parse_args (int argc,
 
   // If naming context or object group persistence is being used then
   // enable backup/restore compability of persitent files.
-  if (u_opt_used || r_opt_used || v_opt_used)
+  if (u_opt_used || v_opt_used || r_opt_used)
     {
       TAO::Storable_Base::use_backup_default = true;
     }
 
-  if (!role_defined)
-    { // No role specified, so we will become a STANDALONE server
-      this->replica_id_ = ACE_TEXT ("Standalone");
-      this->server_role_ = TAO_FT_Naming_Server::STANDALONE;
-      // User has not provided a role, so we will not use redundancy option
-      if (this->use_redundancy_ == 1)
-        {
-          ORBSVCS_ERROR ((LM_ERROR,
-                          ACE_TEXT ("INFO: Standalone name server ignoring ")
-                          ACE_TEXT ("-r option, treating it as -u instead.\n")
-                          ACE_TEXT ("Start a '--primary' and a '--backup' ")
-                          ACE_TEXT ("server to run as a Fault Tolerant ")
-                          ACE_TEXT ("Naming Service. \n")));
-          this->use_redundancy_ = 0;
-        }
-
-    }
-  else
+  if (server_role_ != STANDALONE)
     {
-      // Only the backup should be requested to write the multi-profile IOR
-      // so fail if (role is backup) is the same as (no filename)
-      if ((this->server_role_ == TAO_FT_Naming_Server::BACKUP) ==
-          (this->combined_naming_service_ior_file_name_ == 0))
+      if ((this->server_role_ == BACKUP) ==
+          (this->iors_[FT_ROOT].filename_.length() == 0))
         ORBSVCS_ERROR_RETURN ((LM_ERROR,
-                           ACE_TEXT ("ERROR: Must export the multi-profile ")
-                           ACE_TEXT ("IOR (using '-c' option) from the backup ")
-                           ACE_TEXT ("server.\n\n")),
-                          -1);
+                               ACE_TEXT ("ERROR: Must export the multi-profile ")
+                               ACE_TEXT ("IOR (using '-c' option) from the backup ")
+                               ACE_TEXT ("server.\n\n")),
+                              -1);
     }
   return 0;
 }
@@ -819,34 +668,49 @@ TAO_FT_Naming_Server::parse_args (int argc,
 int
 TAO_FT_Naming_Server::fini (void)
 {
-  // Destroy the child POAs created when initializing
-  // the FT Naming Service
+  if (this->replicator_ != 0)
+    {
+      try
+        {
+          this->replicator_->stop ();
+        }
+      catch (const CORBA::Exception&)
+        {
+          // Ignore
+        }
+      delete replicator_;
+      replicator_ = 0;
+    }
   try
     {
       if (!CORBA::is_nil (this->naming_manager_poa_.in ()))
         this->naming_manager_poa_->destroy (1, 1);
       this->naming_manager_poa_ = PortableServer::POA::_nil ();
+    }
+  catch (const CORBA::Exception&)
+    {
+      // Ignore
+    }
 
-      if (!CORBA::is_nil (this->replication_manager_poa_.in ()))
-        this->replication_manager_poa_->destroy (1, 1);
-
-      this->replication_manager_poa_ = PortableServer::POA::_nil ();
+  try
+    {
       CORBA::Object_var table_object =
         this->orb_->resolve_initial_references ("IORTable");
-
-      IORTable::Table_var adapter =
+      IORTable::Table_var ior_table =
         IORTable::Table::_narrow (table_object.in ());
-      if (CORBA::is_nil (adapter.in ()))
-        {
-          ORBSVCS_ERROR ((LM_ERROR,
-                      ACE_TEXT ("(%P|%t) ERROR: Nil IORTable\n")));
-        }
-      else
+      if (!CORBA::is_nil (ior_table.in()))
         {
-          adapter->unbind ("NameService");
-          adapter->unbind ("NamingManager");
+          ior_table->unbind ("NameService");
+          ior_table->unbind ("NamingManager");
         }
+    }
+  catch (const CORBA::Exception&)
+    {
+      // Ignore
+    }
 
+  try
+    {
 #if !defined (CORBA_E_MICRO)
       CORBA::Object_var svc =
         this->orb_->unregister_initial_reference ("NameService");
@@ -861,14 +725,8 @@ TAO_FT_Naming_Server::fini (void)
 
   // Specific FT_Naming cleanup
   naming_manager_poa_ = PortableServer::POA::_nil ();
-  replication_manager_poa_ = PortableServer::POA::_nil ();
-  my_naming_manager_ = FT_Naming::NamingManager::_nil ();
-  peer_naming_manager_ = FT_Naming::NamingManager::_nil ();
-  peer_root_context_ = CosNaming::NamingContext::_nil ();
+  iors_[GROUP].ref_ =  FT_Naming::NamingManager::_nil ();
 
-#if !defined (CORBA_E_MICRO)
-  delete replication_manager_;
-#endif /* CORBA_E_MICRO */
 
   // Invoke the base class fini
   return TAO_Naming_Server::fini ();
@@ -878,9 +736,9 @@ TAO_Storable_Naming_Context_Factory *
 TAO_FT_Naming_Server::storable_naming_context_factory (size_t context_size)
 {
 #if defined (ACE_HAS_NEW_NOTHROW)
-  return new (ACE_nothrow) TAO_FT_Storable_Naming_Context_Factory (context_size);
+  return new (ACE_nothrow) TAO_FT_Storable_Naming_Context_Factory (context_size, this->replicator_);
 #else
-  return new TAO_FT_Storable_Naming_Context_Factory (context_size);
+  return new TAO_FT_Storable_Naming_Context_Factory (context_size, this->replicator_);
 #endif /* ACE_HAS_NEW_NOTHROW */
 }
 
@@ -894,198 +752,18 @@ TAO_FT_Naming_Server::persistent_naming_context_factory (void)
 #endif /* ACE_HAS_NEW_NOTHROW */
 }
 
-
-int
-TAO_FT_Naming_Server::read_reference_from_file (const char* replica_file_name,
-                                                CORBA::Object_out obj_ref)
-{
-
-  ACE_CString replica_ior_string ("file://");
-  replica_ior_string += replica_file_name;
-
-  try {
-    CORBA::Object_var object =
-      this->orb_->string_to_object (replica_ior_string.c_str ());
-    if (CORBA::is_nil (object.in ()))
-      {
-        if (TAO_debug_level > 3)
-          ORBSVCS_DEBUG ((LM_ERROR,
-                      ACE_TEXT ("(%P|%t) - invalid ior in file <%s>\n"),
-                      replica_file_name));
-
-        return -1;
-      }
-
-    obj_ref = object._retn ();
-
-  }
-  catch (const CORBA::Exception& ex)
-    {
-      ex._tao_print_exception (
-        ACE_TEXT ("Invalid object reference in file: %s\n"));
-      return -1;
-    }
-
-  return 0;
-}
-
-int
-TAO_FT_Naming_Server::export_ft_naming_references (void)
-{
-  int result = 0;
-
-  switch (this->server_role_) {
-    // Neither the PRIMARY or STANDALONE server roles are able to write
-    // a multi-profile IOR for the redundant server pair.
-  case TAO_FT_Naming_Server::STANDALONE:
-  case TAO_FT_Naming_Server::PRIMARY:
-
-    if (this->naming_manager_ior_file_name_ != 0)
-      {
-          FT_Naming::NamingManager_var my_nm =
-            this->my_naming_manager ();
-          CORBA::String_var naming_manager_ior_string =
-            this->orb_->object_to_string (my_nm.in ());
-          this->write_ior_to_file (
-            naming_manager_ior_string.in (),
-            ACE_TEXT_ALWAYS_CHAR (this->naming_manager_ior_file_name_));
-      }
-
-    // Make sure the user provided an ior_file_name for the comb
-    if (this->combined_naming_service_ior_file_name_ != 0)
-      {
-        ORBSVCS_ERROR_RETURN ((LM_ERROR,
-                           ACE_TEXT ("(%P|%t) ERROR: Unable to write combined")
-                           ACE_TEXT (" NameService IOR file. ")
-                           ACE_TEXT ("Only supported by the backup naming service.\n")
-                           ACE_TEXT ("Provide the -c option to the --backup role.\n")),
-                          -1);
-      }
-    return 0;
-    break;
-
-  case TAO_FT_Naming_Server::BACKUP:
-    {
-      // Make sure the user provided an ior_file_name for the multi-profile ior file
-      if (this->combined_naming_service_ior_file_name_ == 0)
-        {
-          ORBSVCS_ERROR_RETURN ((LM_ERROR,
-                             ACE_TEXT ("(%P|%t) ERROR: Unable to write combined")
-                             ACE_TEXT (" NameService IOR file. ")
-                             ACE_TEXT ("No file name provided.\n")),
-                            -1);
-          return 0;
-        }
-
-      CORBA::Object_var peer_root_cxt = this->peer_root_context ();
-      if (CORBA::is_nil (peer_root_cxt.in ()))
-        {
-          ORBSVCS_ERROR_RETURN ((LM_ERROR,
-                             ACE_TEXT ("(%P|%t) ERROR: Unable to get the primary")
-                             ACE_TEXT (" NameService object ref")),
-                            -1);
-        }
-
-      CORBA::Object_var my_root_cxt = this->my_root_context ();
-      if (CORBA::is_nil (my_root_cxt.in ()))
-        {
-          ORBSVCS_ERROR_RETURN ((LM_ERROR,
-                             ACE_TEXT ("(%P|%t) ERROR: Unable to get this")
-                             ACE_TEXT (" services NameService object ref")),
-                            -1);
-        }
-
-      CORBA::Object_var IORM =
-        this->orb_->resolve_initial_references (TAO_OBJID_IORMANIPULATION, 0);
-
-      TAO_IOP::TAO_IOR_Manipulation_var iorm =
-        TAO_IOP::TAO_IOR_Manipulation::_narrow (IORM.in ());
-
-      // Combine the primary and backup (my) object references for the naming service
-      CORBA::Object_var combined_obj_ref =
-        iorm->add_profiles (peer_root_cxt.in (),
-                            my_root_cxt.in ());
-
-      if (CORBA::is_nil (combined_obj_ref.in ()))
-        {
-          ORBSVCS_ERROR((LM_ERROR,
-                     ACE_TEXT("(%P|%t) ERROR: could not combine")
-                     ACE_TEXT(" primary and backup IORs for")
-                     ACE_TEXT(" fault tolerant Naming Service.\n")));
-          return -1;
-        }
-
-      CORBA::String_var combined_nameservice_ior_string =
-        this->orb_->object_to_string (combined_obj_ref.in ());
-
-      // Write out the combined IOR for the NameService
-      this->write_ior_to_file (
-        combined_nameservice_ior_string.in (),
-        ACE_TEXT_ALWAYS_CHAR (this->combined_naming_service_ior_file_name_));
-
-      // Verify that a naming manager ior file name was provided by user
-      if (this->combined_naming_manager_ior_file_name_ == 0)
-        {
-          if (TAO_debug_level > 3)
-            ORBSVCS_DEBUG ((LM_DEBUG,
-                        ACE_TEXT ("(%P|%t) - FT_Naming_Server:No NamingManager")
-                        ACE_TEXT (" IOR file name provided")
-                        ACE_TEXT (" with -g option. Not writing IOR.\n")));
-        }
-      else
-        {// A file name was provided to store the naming manager IOR
-
-          FT_Naming::NamingManager_var peer_nm =
-            this->peer_naming_manager ();
-          FT_Naming::NamingManager_var my_nm =
-            this->my_naming_manager ();
-
-          // This is the object reference for the fault tolerant
-          // naming manager.  The primary should be first.
-          combined_obj_ref =
-            iorm->add_profiles (peer_nm.in (),
-                                my_nm.in ());
-
-          if (CORBA::is_nil (combined_obj_ref.in ()))
-            {
-              ORBSVCS_ERROR_RETURN ((LM_ERROR,
-                                 ACE_TEXT("(%P|%t) ERROR: could not combine")
-                                 ACE_TEXT(" primary and backup IORs for")
-                                 ACE_TEXT(" fault tolerant Naming Manager.\n")),
-                                -1);
-            }
-
-          CORBA::String_var combined_naming_manager_ior_string =
-            this->orb_->object_to_string (combined_obj_ref.in ());
-
-          // Write out the combined IOR for the NameService
-          this->write_ior_to_file (
-            combined_naming_manager_ior_string.in (),
-            ACE_TEXT_ALWAYS_CHAR (this->combined_naming_manager_ior_file_name_));
-        }
-
-      return 0;
-    }
-    break;
-  };
-  return result;
-}
-
-
-
 /// Return the IOR for the registered replication manager
 char*
-TAO_FT_Naming_Server::replication_manager_ior (void)
+TAO_FT_Naming_Server::replicator_ior (void)
 {
-  return CORBA::string_dup (this->replication_manager_ior_.in ());
+  return CORBA::string_dup (this->iors_[REPLICATOR].ior_.c_str());
 }
 
-
 /// Return the IOR for the registered object group manager
 char*
 TAO_FT_Naming_Server::naming_manager_ior (void)
 {
-  return CORBA::string_dup (this->naming_manager_ior_.in ());
+  return CORBA::string_dup (this->iors_[GROUP].ior_.c_str());
 }
 
 int
@@ -1186,39 +864,187 @@ TAO_FT_Naming_Server::~TAO_FT_Naming_Server (void)
   TAO_FT_Persistent_Naming_Context::set_naming_manager_impl (0);
 }
 
+CosNaming::NamingContext_ptr
+TAO_FT_Naming_Server::my_root_context (void) const
+{
+  if (CORBA::is_nil (this->iors_[ROOT].ref_.in()))
+    {
+      return CosNaming::NamingContext::_nil ();
+    }
 
-void
-TAO_FT_Naming_Server::peer_root_context (CosNaming::NamingContext_ptr peer_cxt)
+  CosNaming::NamingContext_ptr ret =
+    CosNaming::NamingContext::_narrow (this->iors_[ROOT].ref_);
+
+  return ret;
+  //  return CosNaming::NamingContext::_narrow (this->iors_[ROOT].ref_.in());
+}
+
+FT_Naming::NamingManager_ptr
+TAO_FT_Naming_Server::my_naming_manager (void) const
 {
-  peer_root_context_ = CosNaming::NamingContext::_duplicate (peer_cxt);
+  if (CORBA::is_nil (this->iors_[GROUP].ref_))
+    {
+      return FT_Naming::NamingManager::_nil ();
+    }
+
+  FT_Naming::NamingManager_ptr ret =
+    FT_Naming::NamingManager::_narrow (this->iors_[GROUP].ref_);
+
+  return ret;
+
+  //  return FT_Naming::NamingManager::_narrow (this->iors_[GROUP].ref_.in ());
 }
 
 CosNaming::NamingContext_ptr
-TAO_FT_Naming_Server::peer_root_context (void)
+TAO_FT_Naming_Server::ft_root_context (void) const
 {
-  return CosNaming::NamingContext::_duplicate (peer_root_context_.in ());
+  if (CORBA::is_nil (this->iors_[FT_ROOT].ref_))
+    {
+      return CosNaming::NamingContext::_nil ();
+    }
+
+  CosNaming::NamingContext_ptr ret =
+    CosNaming::NamingContext::_narrow (this->iors_[FT_ROOT].ref_);
+
+  return ret;
+  //  return CosNaming::NamingContext::_narrow (this->iors_[FT_ROOT].ref_.in());
 }
 
-CosNaming::NamingContext_ptr
-TAO_FT_Naming_Server::my_root_context (void) const
+FT_Naming::NamingManager_ptr
+TAO_FT_Naming_Server::ft_naming_manager (void) const
 {
-  return CosNaming::NamingContext::_duplicate (this->naming_context_.in ());
+  if (CORBA::is_nil (this->iors_[FT_GROUP].ref_))
+    {
+      return FT_Naming::NamingManager::_nil ();
+    }
+
+  FT_Naming::NamingManager_ptr ret =
+    FT_Naming::NamingManager::_narrow (this->iors_[FT_GROUP].ref_);
+
+  return ret;
+
+  //  return FT_Naming::NamingManager::_narrow (this->iors_[FT_GROUP].ref_.in ());
+}
+
+const ACE_CString &
+TAO_FT_Naming_Server::ft_endpoint (void)
+{
+  return this->ft_endpoint_;
+}
+
+const ACE_Time_Value &
+TAO_FT_Naming_Server::ft_update_delay (void)
+{
+  return this->ft_update_delay_;
 }
 
 void
-TAO_FT_Naming_Server::peer_naming_manager (FT_Naming::NamingManager_ptr peer_cxt)
+TAO_FT_Naming_Server::update_ior (FT_Naming::EntityKind kind, CORBA::Object_ptr ft_obj)
 {
-  peer_naming_manager_ = FT_Naming::NamingManager::_duplicate (peer_cxt);
+  size_t combo = kind == FT_Naming::obj_grp ? FT_GROUP : FT_ROOT;
+
+  this->assign(combo, false, ft_obj);
+  this->write (combo);
 }
 
-FT_Naming::NamingManager_ptr
-TAO_FT_Naming_Server::peer_naming_manager (void)
+void
+TAO_FT_Naming_Server::combine_iors (FT_Naming::EntityKind kind, CORBA::Object_ptr peer)
 {
-  return  FT_Naming::NamingManager::_duplicate (peer_naming_manager_.in ());
+  size_t local = ROOT;
+  size_t combo = FT_ROOT;
+  if (kind == FT_Naming::obj_grp)
+    {
+      local = GROUP;
+      combo = FT_GROUP;
+    }
+
+  CORBA::Object_var IORM =
+    this->orb_->resolve_initial_references (TAO_OBJID_IORMANIPULATION, 0);
+
+  TAO_IOP::TAO_IOR_Manipulation_var iorm =
+    TAO_IOP::TAO_IOR_Manipulation::_narrow (IORM.in ());
+
+  bool peer_nil = CORBA::is_nil (peer);
+  bool local_nil =  CORBA::is_nil (this->iors_[local].ref_.in ());
+
+  if (peer_nil || local_nil)
+    {
+      if (peer_nil)
+        {
+          this->assign (combo, false, this->iors_[local].ref_.in());
+        }
+    }
+  else
+    {
+      if (this->server_role_ == PRIMARY)
+        {
+          this->assign (combo, false, iorm->add_profiles (this->iors_[local].ref_.in (),
+                                                         peer));
+        }
+      else
+        {
+
+          this->assign (combo, false, iorm->add_profiles (peer,
+                                                         this->iors_[local].ref_.in ()));
+        }
+    }
+
+  if (CORBA::is_nil (this->iors_[combo].ref_.in ()) && TAO_debug_level > 0)
+    {
+      ORBSVCS_ERROR((LM_ERROR,
+                     ACE_TEXT("(%P|%t) ERROR: could not combine")
+                     ACE_TEXT(" primary and backup IORs for")
+                     ACE_TEXT(" fault tolerant Naming Service.\n")));
+    }
+
+  this->write (size_t(combo));
 }
 
-FT_Naming::NamingManager_ptr
-TAO_FT_Naming_Server::my_naming_manager (void) const
+int
+TAO_FT_Naming_Server::recover_iors (void)
 {
-  return  FT_Naming::NamingManager::_duplicate (this->my_naming_manager_.in ());
+  if (this->registered_)
+    {
+      ORBSVCS_ERROR_RETURN ((LM_ERROR,
+         ACE_TEXT ("ERROR: already registered IOR. ")
+         ACE_TEXT ("recover_ior should not be called.\n")), -1);
+    }
+
+  size_t index[2] = {FT_ROOT, FT_GROUP};
+  for (int i = 0; i < 2; i++)
+    {
+      ACE_TString fname = this->iors_[index[i]].filename_;
+      if (TAO_debug_level > 0)
+        {
+          ORBSVCS_DEBUG ((LM_INFO, ACE_TEXT ("recover_ior <%C>\n"),
+                          fname.c_str()));
+        }
+      if (ACE_OS::access (fname.c_str (), F_OK) != 0)
+        return -1;
+
+      CORBA::Object_ptr obj = CORBA::Object::_nil();
+      try
+        {
+          ACE_TString combined_ior = ACE_TEXT ("file://") + fname;
+          obj = this->orb_->string_to_object (combined_ior.c_str());
+          if (!CORBA::is_nil (obj))
+            {
+              this->assign(index[i], true, obj);
+            }
+        }
+      catch (const CORBA::Exception& ex)
+        {
+          if (TAO_debug_level > 0)
+            {
+              ORBSVCS_DEBUG ((LM_INFO,
+                              ACE_TEXT ("Caught %C loading from %C\n"),
+                              ex._name(),
+                              fname.c_str()));
+            }
+          return -1;
+        }
+    }
+  this->registered_ = true;
+
+  return 0;
 }
diff --git a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Server.h b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Server.h
index f7ab9e7d538..500af100254 100644
--- a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Server.h
+++ b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Naming_Server.h
@@ -4,6 +4,7 @@
 /**
  *  @file    FT_Naming_Server.h
  *
+ *
  *    Implement functionality necessary for fault tolerant naming service.
  *    Adds support for Object Group Manager interfaces as well.  This class
  *    extends the TAO_Naming_Server.
@@ -21,10 +22,25 @@
 #include "orbsvcs/Naming/FaultTolerant/FT_Naming_Replication_Manager.h"
 #include "orbsvcs/Naming/FaultTolerant/ftnaming_export.h"
 #include "tao/IORManipulation/IORManip_Loader.h"
+#include "orbsvcs/FT_NamingReplicationC.h"
 #include "ace/Recursive_Thread_Mutex.h"
 
 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
 
+class TAO_FT_Naming_Server;
+
+class TAO_FTNS_Notifier : public ACE_Event_Handler
+{
+public:
+  TAO_FTNS_Notifier (TAO_FT_Naming_Server &owner, bool iors);
+
+  virtual int handle_exception (ACE_HANDLE );
+
+  TAO_FT_Naming_Server &owner_;
+  bool iors_;
+};
+
+
 /**
  * @class TAO_FT_Naming_Server
  *
@@ -39,43 +55,41 @@ TAO_BEGIN_VERSIONED_NAMESPACE_DECL
 class TAO_FtNaming_Export TAO_FT_Naming_Server : public TAO_Naming_Server
 {
 public:
-  /// Default Constructor.
+  friend class TAO_FTNS_Notifier;
+
   TAO_FT_Naming_Server (void);
 
   /// Initialize the Naming Service and Object Group Manager with the command line
   /// arguments and the ORB. Overrridden from TAO_Naming_Server
-  virtual int init_with_orb (int argc, ACE_TCHAR *argv [], CORBA::ORB_ptr orb);
+  virtual int init_with_orb (int , ACE_TCHAR * [], CORBA::ORB_ptr orb);
 
   /**
    * Accessors and mutators for object references.
    */
   /// Returns a <NamingContext_ptr> for the root Naming Context.
   CosNaming::NamingContext_ptr my_root_context (void) const;
+  CosNaming::NamingContext_ptr ft_root_context (void) const;
 
   /// Returns the reference for this servers local naming manager servant.
   ::FT_Naming::NamingManager_ptr my_naming_manager (void) const;
-
-  void peer_root_context (CosNaming::NamingContext_ptr peer_cxt);
-  CosNaming::NamingContext_ptr peer_root_context (void);
-
-  void peer_naming_manager (::FT_Naming::NamingManager_ptr peer_nm);
-  ::FT_Naming::NamingManager_ptr peer_naming_manager (void);
+  ::FT_Naming::NamingManager_ptr ft_naming_manager (void) const;
 
   /// Initialize the naming manager with the ORB.
-  int init_naming_manager_with_orb (int argc,
-                                    ACE_TCHAR *argv [],
-                                    CORBA::ORB_ptr orb);
+  int init_naming_manager_with_orb (int , ACE_TCHAR * [], CORBA::ORB_ptr orb);
 
-  /// Initialize the replication manager with the ORB.
-  int init_replication_manager_with_orb (int argc,
-                                         ACE_TCHAR *argv [],
-                                         CORBA::ORB_ptr orb);
+  int init_replicator ();
 
-  /// Setup pairing with peer replica.
+  ACE_TString replica_ior_filename (bool ) const;
+
+/// Setup pairing with peer replica.
   /// Returns 0 on successful pairing with peer.
   /// Returns 1 if peer IOR file is present, but peer is not responding
   /// Returns -1 if pairing is not possible.
-  int init_replication_pairing (void);
+  void init_replication_pairing (void);
+
+  void no_replica (void);
+
+  //  TAO_FTNS_Notifier &notifier (void);
 
   /// Overridden parse operation. Only allows options supported by the FT_Naming_Server
   /// and adds options for the object group manager
@@ -93,7 +107,7 @@ public:
     persistent_naming_context_factory (void);
 
   /// Returns the IOR of the replication manager.
-  char* replication_manager_ior (void);
+  char* replicator_ior (void);
 
   /// Returns the IOR of the naming manager.
   char * naming_manager_ior (void);
@@ -104,6 +118,12 @@ public:
   virtual int update_naming_context (
     const ::FT_Naming::NamingContextUpdate & naming_context);
 
+  void update_ior (FT_Naming::EntityKind, const CORBA::Object_ptr);
+  void combine_iors (FT_Naming::EntityKind, const CORBA::Object_ptr);
+
+  const ACE_CString & ft_endpoint (void);
+  const ACE_Time_Value & ft_update_delay (void);
+
   /// Destroy the child POAs created in @c init_with_orb,
   /// @c init_naming_manager_with_orb, and
   /// @c init_replication_manager_with_orb
@@ -112,66 +132,38 @@ public:
   /// Destructor.
   virtual ~TAO_FT_Naming_Server (void);
 
-protected:
+  void update_info (FT_Naming::UpdateInfoSeq &infos);
+  void update_iors (const FT_Naming::ReplicaInfo & iors);
+  void update_info_i (void);
+  void update_iors_i (void);
 
-  /// Read the replica from the specified file
-  int read_reference_from_file (const char* replica_file_name,
-                                CORBA::Object_out obj_ref);
+protected:
 
-  /// Export the NameService and NameManager combined object references
-  /// to the file names provided
-  int export_ft_naming_references (void);
+  enum FT_IOR_Indexes {
+    PEER_ROOT = 1,
+    FT_ROOT,
+    GROUP,
+    PEER_GROUP,
+    FT_GROUP,
+    REPLICATOR,
+    IOR_ARRAY_SIZE
+  };
 
-  const ACE_TCHAR * replica_id_;
+  int recover_iors (void);
 
   /// The object that implements the ObjectGroupManager, PropertyManager,
   /// and GenericFactory interfaces.
   TAO_FT_Naming_Manager naming_manager_;
 
-  /// Object reference for the local naming manager servant.
-  ::FT_Naming::NamingManager_var my_naming_manager_;
-
-  /// Object reference for the peer naming service's naming manager.
-  ::FT_Naming::NamingManager_var peer_naming_manager_;
-
-  /// Object reference for the peer naming service's naming manager.
-  CosNaming::NamingContext_var peer_root_context_;
-
   /// The object that implements the FT_Naming::Replication_Manager
   /// interface.
-  TAO_FT_Naming_Replication_Manager* replication_manager_;
-
-  /// File to output for the multi-profile root naming context IOR.
-  const ACE_TCHAR *combined_naming_service_ior_file_name_;
-
-  /// File to output the multi-profile object group manager IOR.
-  const ACE_TCHAR *combined_naming_manager_ior_file_name_;
-
-  /// File to output the object group manager IOR.
-  const ACE_TCHAR *naming_manager_ior_file_name_;
-
-  /// Path to the file to be used to store/read in Object Group Manager
-  /// persistent state.
-  const ACE_TCHAR *naming_manager_persistence_file_name_;
-
-  /// The IOR string of the object group manager.
-  CORBA::String_var naming_manager_ior_;
-
-  /// The IOR string of the object group manager.
-  CORBA::String_var replication_manager_ior_;
-
-  /// The IOR string of the peer replica.
-  CORBA::String_var replica_peer_ior_;
+  TAO_FT_Naming_Replication_Manager* replicator_;
 
   /// The Object Group Manager POA.
   PortableServer::POA_var naming_manager_poa_;
 
-  /// The POA used for replication coordination between
-  /// primary and backup.
-  PortableServer::POA_var replication_manager_poa_;
-
   int use_object_group_persistence_;
-  ACE_CString object_group_dir_;
+  ACE_TString object_group_dir_;
 
   /// The role this server is supporting in the dual redundant
   /// replication scheme.
@@ -186,9 +178,28 @@ protected:
   /// to Naming Service.
   TAO_SYNCH_RECURSIVE_MUTEX lock_;
 
-private:
-  static const ACE_TCHAR* primary_replica_ior_filename;
-  static const ACE_TCHAR* backup_replica_ior_filename;
+  /// The endpoint used by the replicator ORB, otherwise it
+  /// just picks one
+  ACE_CString ft_endpoint_;
+
+  /// The minimum amount of time to wait before issuing a new
+  /// update notice to the peer. Heavily loaded systems may want
+  /// to use this option to avoid overloading the peer with lots
+  /// of small, possibly contradictory changes. During the delay
+  /// time, the replicator will hold update notices, removing
+  /// earlier ones in favor of later updates.
+  ACE_Time_Value ft_update_delay_;
+
+  bool registered_;
+
+  TAO_FTNS_Notifier ior_notifier_;
+  TAO_FTNS_Notifier info_notifier_;
+
+  ACE_Unbounded_Queue<FT_Naming::ReplicaInfo> u_iors_;
+  ACE_Unbounded_Queue<FT_Naming::UpdateInfoSeq*> u_infos_;
+  ACE_Thread_Mutex ior_lock_;
+  ACE_Thread_Mutex info_lock_;
+
 
  };
 
diff --git a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_PG_Group_Factory.cpp b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_PG_Group_Factory.cpp
index 55c91405378..7a7bb1aa7b7 100644
--- a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_PG_Group_Factory.cpp
+++ b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_PG_Group_Factory.cpp
@@ -4,6 +4,7 @@
 /**
  * @file  FT_PG_Group_Factory.cpp
  *
+ *
  * @author Byron Harris <harrisb@ociweb.com>
  */
 //=============================================================================
@@ -11,12 +12,14 @@
 #include "orbsvcs/Log_Macros.h"
 #include "orbsvcs/Naming/FaultTolerant/FT_PG_Group_Factory.h"
 #include "orbsvcs/Naming/FaultTolerant/FT_PG_Object_Group_Storable.h"
+#include "orbsvcs/Naming/FaultTolerant/FT_Naming_Replication_Manager.h"
 
 #include "orbsvcs/PortableGroup/PG_Group_List_Store.h"
 
 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
 
 TAO::FT_PG_Group_Factory::FT_PG_Group_Factory()
+  : replicator_ (0)
 {
 }
 
@@ -25,6 +28,12 @@ TAO::FT_PG_Group_Factory::~FT_PG_Group_Factory()
 }
 
 void
+TAO::FT_PG_Group_Factory::set_replicator (TAO_FT_Naming_Replication_Manager *repl)
+{
+  this->replicator_ = repl;
+}
+
+void
 TAO::FT_PG_Group_Factory::set_object_group_stale (
   const FT_Naming::ObjectGroupUpdate & group_info)
 {
@@ -65,7 +74,7 @@ TAO::FT_PG_Group_Factory::set_object_group_stale (
           ORBSVCS_ERROR ((LM_ERROR,
                       ACE_TEXT ("TAO (%P|%t) - FT_PG_Group_Factory ")
                       ACE_TEXT ("In setting object group stale could not cast ")
-                      ACE_TEXT ("to FT_PG_Object_Group_Storable\n")));
+                          ACE_TEXT ("to FT_PG_Object_Group_Storable\n")));
           throw CORBA::INTERNAL ();
         }
 
@@ -109,7 +118,8 @@ TAO::FT_PG_Group_Factory::create_persistent_group (
     type_id,
     the_criteria,
     type_properties,
-    storable_factory
+    storable_factory,
+    this->replicator_
     ),
   CORBA::NO_MEMORY());
   return objectGroup;
@@ -131,7 +141,8 @@ TAO::FT_PG_Group_Factory::restore_persistent_group (
       orb,
       factory_registry,
       manipulator,
-      storable_factory
+      storable_factory,
+      this->replicator_
       ),
     CORBA::NO_MEMORY());
   return objectGroup;
diff --git a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_PG_Group_Factory.h b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_PG_Group_Factory.h
index a5524804843..1945dffda5c 100644
--- a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_PG_Group_Factory.h
+++ b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_PG_Group_Factory.h
@@ -4,6 +4,7 @@
 /**
  * @file  FT_PG_Group_Factory.h
  *
+ *
  * @author Byron Harris <harrisb@ociweb.com>
  */
 //=============================================================================
@@ -28,6 +29,8 @@ namespace FT_Naming
 
 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
 
+class TAO_FT_Naming_Replication_Manager;
+
 namespace TAO
 {
 
@@ -50,6 +53,8 @@ namespace TAO
      */
     void set_object_group_stale (const FT_Naming::ObjectGroupUpdate & group_info);
 
+    void set_replicator (TAO_FT_Naming_Replication_Manager *repl);
+
   protected:
 
     virtual PG_Object_Group_Storable * create_persistent_group (
@@ -70,6 +75,7 @@ namespace TAO
       TAO::PG_Object_Group_Manipulator & manipulator,
       TAO::Storable_Factory & storable_factory);
 
+    TAO_FT_Naming_Replication_Manager *replicator_;
   };
 } // namespace TAO
 
diff --git a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_PG_Object_Group_Storable.cpp b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_PG_Object_Group_Storable.cpp
index 38201c1a391..6f05c3decc5 100644
--- a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_PG_Object_Group_Storable.cpp
+++ b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_PG_Object_Group_Storable.cpp
@@ -1,22 +1,24 @@
+
 #include "orbsvcs/Log_Macros.h"
 #include "orbsvcs/Naming/FaultTolerant/FT_PG_Object_Group_Storable.h"
 #include "orbsvcs/PortableGroup/PG_Object_Group_Storable.h"
-
+#include "orbsvcs/Naming/FaultTolerant/FT_PG_Group_Factory.h"
 #include "orbsvcs/Naming/FaultTolerant/FT_Naming_Replication_Manager.h"
 #include "tao/Stub.h"
 
 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
 
-TAO::FT_PG_Object_Group_Storable::FT_PG_Object_Group_Storable (
-  CORBA::ORB_ptr orb,
-  PortableGroup::FactoryRegistry_ptr factory_registry,
-  TAO::PG_Object_Group_Manipulator & manipulator,
-  CORBA::Object_ptr empty_group,
-  const PortableGroup::TagGroupTaggedComponent & tagged_component,
-  const char * type_id,
-  const PortableGroup::Criteria & the_criteria,
-  const TAO::PG_Property_Set_var & type_properties,
-  TAO::Storable_Factory & storable_factory)
+TAO::FT_PG_Object_Group_Storable::FT_PG_Object_Group_Storable
+(CORBA::ORB_ptr orb,
+ PortableGroup::FactoryRegistry_ptr factory_registry,
+ TAO::PG_Object_Group_Manipulator & manipulator,
+ CORBA::Object_ptr empty_group,
+ const PortableGroup::TagGroupTaggedComponent & tagged_component,
+ const char * type_id,
+ const PortableGroup::Criteria & the_criteria,
+ const TAO::PG_Property_Set_var & type_properties,
+ TAO::Storable_Factory & storable_factory,
+ TAO_FT_Naming_Replication_Manager *repl)
   : PG_Object_Group_Storable(orb,
                              factory_registry,
                              manipulator,
@@ -28,15 +30,17 @@ TAO::FT_PG_Object_Group_Storable::FT_PG_Object_Group_Storable (
                              storable_factory)
   , stale_ (false)
   , file_created_ (false)
+  , replicator_ (repl)
 {
 }
 
-TAO::FT_PG_Object_Group_Storable::FT_PG_Object_Group_Storable (
-  PortableGroup::ObjectGroupId group_id,
+TAO::FT_PG_Object_Group_Storable::FT_PG_Object_Group_Storable
+( PortableGroup::ObjectGroupId group_id,
   CORBA::ORB_ptr orb,
   PortableGroup::FactoryRegistry_ptr factory_registry,
   TAO::PG_Object_Group_Manipulator & manipulator,
-  TAO::Storable_Factory & storable_factory)
+  TAO::Storable_Factory & storable_factory,
+  TAO_FT_Naming_Replication_Manager *repl)
   : PG_Object_Group_Storable(group_id,
                              orb,
                              factory_registry,
@@ -44,6 +48,7 @@ TAO::FT_PG_Object_Group_Storable::FT_PG_Object_Group_Storable (
                              storable_factory)
   , stale_ (false)
   , file_created_ (true)
+  , replicator_ (repl)
 {
 }
 
@@ -67,48 +72,16 @@ int
 TAO::FT_PG_Object_Group_Storable::propagate_update_notification
   (FT_Naming::ChangeType change_type)
 {
-  // Notify the peer of the changed context
-  FT_Naming::ReplicationManager_var peer =
-    TAO_FT_Naming_Replication_Manager::peer_replica ();
-
-  if (CORBA::is_nil (peer.in ()))
-    {
-      // Replication is not supported without a peer replica.
-      return 1;
-    }
-
-  FT_Naming::ObjectGroupUpdate object_group_info;
-  object_group_info.id = PG_Object_Group::get_object_group_id ();
-  object_group_info.change_type = change_type;
-
-  try {
-    // Notify the naming_manager of the updated context
-    if (TAO_debug_level > 3)
-      {
-        ORBSVCS_DEBUG ((LM_DEBUG,
-                    ACE_TEXT ("TAO (%P|%t) - propagate_update_notification ")
-                    ACE_TEXT ("Notifying peer that object group with ID %lld ")
-                    ACE_TEXT ("has been updated\n"), object_group_info.id
-                    ));
-      }
-    peer->notify_updated_object_group (object_group_info);
-  }
-  catch (const CORBA::Exception& ex)
-    {
-      if (TAO_debug_level > 3)
-        ex._tao_print_exception (
-          ACE_TEXT ("Unable to communicate with peer.\n"));
-      return -1;
-    }
-
-  return 0;
+    if (this->replicator_)
+      this->replicator_->send_objgrp_update (this->get_object_group_id(),
+                                            change_type);
+    return 0;
 }
 
 void
 TAO::FT_PG_Object_Group_Storable::state_written (void)
 {
   FT_Naming::ChangeType change_type;
-
   if (!this->file_created_)
     {
       change_type = FT_Naming::NEW;
diff --git a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_PG_Object_Group_Storable.h b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_PG_Object_Group_Storable.h
index 3c3586f2574..d63f0878507 100644
--- a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_PG_Object_Group_Storable.h
+++ b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_PG_Object_Group_Storable.h
@@ -4,6 +4,7 @@
 /**
  *  @file    FT_PG_Object_Group_Storable.h
  *
+ *
  * Contains declaration for class FT_PG_Object_Group_Storable.
  *
  *  @author Byron Harris <harrisb@ociweb.com>
@@ -28,6 +29,7 @@
 
 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
 
+class TAO_FT_Naming_Replication_Manager;
 ////////////////
 // Class declarations
 namespace TAO
@@ -57,7 +59,8 @@ namespace TAO
       const char * type_id,
       const PortableGroup::Criteria & the_criteria,
       const TAO::PG_Property_Set_var & type_properties,
-      TAO::Storable_Factory & storable_factory);
+      TAO::Storable_Factory & storable_factory,
+      TAO_FT_Naming_Replication_Manager *replicator);
 
     /**
      * This constructor is suitable for creating an object group from
@@ -68,7 +71,8 @@ namespace TAO
       CORBA::ORB_ptr orb,
       PortableGroup::FactoryRegistry_ptr factory_registry,
       TAO::PG_Object_Group_Manipulator & manipulator,
-      TAO::Storable_Factory & storable_factory);
+      TAO::Storable_Factory & storable_factory,
+      TAO_FT_Naming_Replication_Manager *replicator);
 
     /// Destructor
     virtual ~FT_PG_Object_Group_Storable ();
@@ -109,6 +113,7 @@ namespace TAO
     /// so can know if we should propagate a change type of NEW.
     bool file_created_;
 
+    TAO_FT_Naming_Replication_Manager *replicator_;
     /**
      * Although it is assumed for replication that services
      * using object groups share the persistent store, a
diff --git a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context.cpp b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context.cpp
index 5258debc311..f72bc9456ac 100644
--- a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context.cpp
+++ b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context.cpp
@@ -1,8 +1,10 @@
+
 #include "orbsvcs/Log_Macros.h"
 #include "orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context.h"
+#include "orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context_Factory.h"
 #include "orbsvcs/Naming/FaultTolerant/FT_Naming_Manager.h"
 #include "orbsvcs/Naming/FaultTolerant/FT_Naming_Replication_Manager.h"
-#include "orbsvcs/FT_NamingManagerC.h"
+
 #include "orbsvcs/PortableGroup/PG_Utils.h"
 #include "orbsvcs/PortableGroup/PG_Property_Utils.h"
 
@@ -26,7 +28,8 @@ TAO_FT_Storable_Naming_Context::TAO_FT_Storable_Naming_Context (CORBA::ORB_ptr o
                                  poa_id,
                                  cxt_factory,
                                  pers_factory),
-    stale_ (false)
+    stale_ (false),
+    replicator_ (((TAO_FT_Storable_Naming_Context_Factory *)cxt_factory)->replicator())
 {
 
 }
@@ -43,7 +46,7 @@ TAO_FT_Storable_Naming_Context::is_object_group (CORBA::Object_ptr obj) const
 {
   // Ensure the object is not nil first. If so, it cannot be an ObjectGroup.
   if (CORBA::is_nil (obj))
-    return false;
+    return 0;
 
   // If there is a tagged component with tag = IOP::TAG_FT_GROUP in the
   // object reference then it is an object group
@@ -97,38 +100,13 @@ TAO_FT_Storable_Naming_Context::resolve (const CosNaming::Name& n)
   return resolved_ref._retn ();
 }
 
-int
+void
 TAO_FT_Storable_Naming_Context::propagate_update_notification (
                    FT_Naming::ChangeType change_type)
 {
-  // Notify the peer of the changed context
-  FT_Naming::ReplicationManager_var peer =
-    TAO_FT_Naming_Replication_Manager::peer_replica ();
-
-  if (CORBA::is_nil (peer.in ()))
-    {
-      // Replication is not supported without a peer replica.
-      return 1;
-    }
-
-  FT_Naming::NamingContextUpdate context_info;
-  context_info.context_name = this->context_name_.c_str ();
-
-  // We are are updating the context one element before the specified name
-  context_info.change_type = change_type;
-
-  try {
-    // Notify the naming_manager of the updated context
-    peer->notify_updated_context (context_info);
-  }
-  catch (const CORBA::Exception& ex)
-    {
-      if (TAO_debug_level > 3)
-        ex._tao_print_exception (ACE_TEXT ("Unable to communicate with peer.\n"));
-      return -1;
-    }
-
-  return 0;
+  if (this->replicator_)
+    this->replicator_->send_context_update (this->context_name_,
+                                            change_type);
 }
 
 void
diff --git a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context.h b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context.h
index fecdde77e52..4a2ede62436 100644
--- a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context.h
+++ b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context.h
@@ -4,6 +4,7 @@
 /**
  *  @file   FT_Storable_Naming_Context.h
  *
+ *
  *  @author Kevin Stanley <stanleyk@ociweb.com>
  */
 //=============================================================================
@@ -21,12 +22,15 @@
 
 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
 
+class TAO_FT_Naming_Replication_Manager;
+
 /**
  * @class FT_TAO_Storable_Naming_Context
  *
  * @brief This class specializes the TAO_Storable_Naming_Context
  * 'ConcreteImplementor' in the Bridge pattern architecture of the
  * CosNaming::NamingContext implementation.
+ *
  */
 class TAO_FtNaming_Export TAO_FT_Storable_Naming_Context :
       public TAO_Storable_Naming_Context
@@ -59,15 +63,13 @@ public:
   // naming context implementations.
   static void set_naming_manager (TAO_FT_Naming_Manager *mgr_impl);
 
-  CORBA::Boolean is_object_group (CORBA::Object_ptr obj) const;
+  bool is_object_group (const CORBA::Object_ptr obj) const;
 
  /**
-  * Tell the peer replica that this context has been updated.
-  * Returns 0 if successfully reported.  Returns 1 if no peer
-  * has been registered. Returns -1 on failure to communicate
-  * with the peer.
+  * Queues a request to update the peer replica instance of this
+  * context.
   */
-  int propagate_update_notification (FT_Naming::ChangeType change_type);
+  void propagate_update_notification (FT_Naming::ChangeType change_type);
 
  /**
   * Find the indicated context below this context.  Returns 0
@@ -100,6 +102,7 @@ protected:
 
   static TAO_FT_Naming_Manager *naming_manager_;
   bool stale_;
+  TAO_FT_Naming_Replication_Manager *replicator_;
 
 };
 
diff --git a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context_Factory.cpp b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context_Factory.cpp
index 3841f3ab41c..6ace5b91bf8 100644
--- a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context_Factory.cpp
+++ b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context_Factory.cpp
@@ -1,21 +1,33 @@
+
+#include /**/ "ace/pre.h"
+
 #include "orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context_Factory.h"
 #include "orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context.h"
 
 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
 
 /// Constructor.
-TAO_FT_Storable_Naming_Context_Factory::TAO_FT_Storable_Naming_Context_Factory (
-  size_t hash_table_size)
-  : TAO_Storable_Naming_Context_Factory (hash_table_size)
+TAO_FT_Storable_Naming_Context_Factory::
+TAO_FT_Storable_Naming_Context_Factory (size_t hash_table_size,
+                                        TAO_FT_Naming_Replication_Manager *rep)
+  : TAO_Storable_Naming_Context_Factory (hash_table_size),
+    replicator_ (rep)
 {
 }
 
-/// Destructor.  Does not deallocate the hash map: if an instance of
-/// this class goes out of scope, its hash_map remains in persistent storage.
+  /// Destructor.  Does not deallocate the hash map: if an instance of
+  /// this class goes out of scope, its hash_map remains in persistent storage.
 TAO_FT_Storable_Naming_Context_Factory::~TAO_FT_Storable_Naming_Context_Factory (void)
 {
 }
 
+
+TAO_FT_Naming_Replication_Manager *
+TAO_FT_Storable_Naming_Context_Factory::replicator ()
+{
+  return this->replicator_;
+}
+
 TAO_Storable_Naming_Context*
 TAO_FT_Storable_Naming_Context_Factory::create_naming_context_impl (
   CORBA::ORB_ptr orb,
@@ -38,4 +50,5 @@ TAO_FT_Storable_Naming_Context_Factory::create_naming_context_impl (
   return context_impl;
 }
 
+
 TAO_END_VERSIONED_NAMESPACE_DECL
diff --git a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context_Factory.h b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context_Factory.h
index 32696dff77f..c401f17dd7e 100644
--- a/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context_Factory.h
+++ b/TAO/orbsvcs/orbsvcs/Naming/FaultTolerant/FT_Storable_Naming_Context_Factory.h
@@ -4,6 +4,7 @@
 /**
  *  @file   FT_Storable_Naming_Context_Factory.h
  *
+ *
  *  @author Kevin Stanley stanleyk@ociweb.com>
  */
 //=============================================================================
@@ -22,6 +23,8 @@
 
 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
 
+class TAO_FT_Naming_Replication_Manager;
+
 /**
  * @class TAO_Naming_Context_Factory
  *
@@ -40,12 +43,15 @@ public:
 
   /// Constructor.
   TAO_FT_Storable_Naming_Context_Factory (
-    size_t hash_table_size = ACE_DEFAULT_MAP_SIZE);
+                                          size_t hash_table_size = ACE_DEFAULT_MAP_SIZE,
+                                          TAO_FT_Naming_Replication_Manager * rep = 0);
 
   /// Destructor.  Does not deallocate the hash map: if an instance of
   /// this class goes out of scope, its hash_map remains in persistent storage.
   virtual ~TAO_FT_Storable_Naming_Context_Factory (void);
 
+  TAO_FT_Naming_Replication_Manager * replicator (void);
+
   /// Factory method for creating an implementation object for naming contexts.
   /// If an existing naming context implementation is being rebuilt,
   /// the map and counter parameters should be provided to the underlying
@@ -56,6 +62,7 @@ public:
     const char *poa_id,
     TAO::Storable_Factory *factory);
 
+  TAO_FT_Naming_Replication_Manager *replicator_;
 };
 
 TAO_END_VERSIONED_NAMESPACE_DECL
diff --git a/TAO/orbsvcs/orbsvcs/Naming/Naming_Server.cpp b/TAO/orbsvcs/orbsvcs/Naming/Naming_Server.cpp
index dabfec5c7e2..cc75e1d3729 100644
--- a/TAO/orbsvcs/orbsvcs/Naming/Naming_Server.cpp
+++ b/TAO/orbsvcs/orbsvcs/Naming/Naming_Server.cpp
@@ -1,3 +1,4 @@
+
 #include "orbsvcs/Log_Macros.h"
 #include "orbsvcs/Naming/Naming_Server.h"
 
@@ -38,17 +39,16 @@
 
 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
 
-TAO_Naming_Server::TAO_Naming_Server (void)
-  : naming_context_ (),
-    ior_multicast_ (0),
-    naming_service_ior_ (),
-    ior_file_name_ (0),
+TAO_Naming_Server::TAO_Naming_Server (size_t bsize)
+  : ior_multicast_ (0),
     pid_file_name_ (0),
+    iors_ (0),
+    bundle_size_ (bsize),
     context_size_ (ACE_DEFAULT_MAP_SIZE),
     multicast_ (0),
 #if !defined (CORBA_E_MICRO)
     context_index_ (0),
-    persistence_file_name_ (0),
+    persistence_dir_ (0),
     base_address_ (TAO_NAMING_BASE_ADDR),
     use_storable_context_ (0),
     use_servant_activator_ (false),
@@ -58,6 +58,7 @@ TAO_Naming_Server::TAO_Naming_Server (void)
     round_trip_timeout_ (0),
     use_round_trip_timeout_ (0)
 {
+  ACE_NEW (iors_, IOR_Bundle[bsize]);
 }
 
 TAO_Naming_Server::TAO_Naming_Server (CORBA::ORB_ptr orb,
@@ -70,17 +71,17 @@ TAO_Naming_Server::TAO_Naming_Server (CORBA::ORB_ptr orb,
                                       int enable_multicast,
                                       int use_storable_context,
                                       int round_trip_timeout,
-                                      int use_round_trip_timeout)
-  : naming_context_ (),
-    ior_multicast_ (0),
-    naming_service_ior_ (),
-    ior_file_name_ (0),
+                                      int use_round_trip_timeout,
+                                      size_t bsize)
+  : ior_multicast_ (0),
     pid_file_name_ (0),
+    iors_ (0),
+    bundle_size_ (bsize),
     context_size_ (ACE_DEFAULT_MAP_SIZE),
     multicast_ (0),
 #if !defined (CORBA_E_MICRO)
     context_index_ (0),
-    persistence_file_name_ (0),
+    persistence_dir_ (0),
     base_address_ (TAO_NAMING_BASE_ADDR),
     use_storable_context_ (use_storable_context),
     use_servant_activator_ (false),
@@ -90,6 +91,7 @@ TAO_Naming_Server::TAO_Naming_Server (CORBA::ORB_ptr orb,
     round_trip_timeout_ (0),
     use_round_trip_timeout_ (0)
 {
+  ACE_NEW (iors_, IOR_Bundle[bsize]);
   if (this->init (orb,
                   poa,
                   context_size,
@@ -106,7 +108,6 @@ TAO_Naming_Server::TAO_Naming_Server (CORBA::ORB_ptr orb,
                 "TAO_Naming_Server::init"));
 }
 
-
 int
 TAO_Naming_Server::init (CORBA::ORB_ptr orb,
                          PortableServer::POA_ptr poa,
@@ -120,6 +121,15 @@ TAO_Naming_Server::init (CORBA::ORB_ptr orb,
                          int round_trip_timeout,
                          int use_round_trip_timeout)
 {
+  if (CORBA::is_nil (this->orb_.in ()))
+    {
+      this->orb_ = CORBA::ORB::_duplicate (orb);
+    }
+  for (size_t i = 0; i < bundle_size_; i++ )
+    {
+      this->iors_[i].ref_ = CORBA::Object::_nil();
+    }
+
   if (resolve_for_existing_naming_service)
     {
       try
@@ -135,14 +145,9 @@ TAO_Naming_Server::init (CORBA::ORB_ptr orb,
               //
               if (TAO_debug_level > 0)
                 ORBSVCS_DEBUG ((LM_DEBUG,
-                            "\nNameService found!\n"));
-
-              this->naming_context_ =
-                CosNaming::NamingContext::_narrow (naming_obj.in ());
-
-              this->naming_service_ior_ =
-                orb->object_to_string (naming_obj.in ());
+                                "\nNameService found!\n"));
 
+              this->assign (size_t(ROOT), false, naming_obj);
               return 0;
             }
         }
@@ -205,7 +210,7 @@ TAO_Naming_Server::parse_args (int argc,
         ++TAO_debug_level;
         break;
       case 'o': // outputs the naming service ior to a file.
-        this->ior_file_name_ = get_opts.opt_arg ();
+        this->iors_[ROOT].filename_ = get_opts.opt_arg ();
         break;
       case 'p':
         this->pid_file_name_ = get_opts.opt_arg ();
@@ -234,19 +239,19 @@ TAO_Naming_Server::parse_args (int argc,
         this->base_address_ = (void *) address;
         break;
       case 'f':
-        this->persistence_file_name_ = get_opts.opt_arg ();
+        this->persistence_dir_ = get_opts.opt_arg ();
         f_opt_used = 1;
         break;
 #if (TAO_HAS_MINIMUM_POA == 0) && !defined (CORBA_E_COMPACT)
       case 'r':
         this->use_redundancy_ = 1;
         this->use_storable_context_ = 1;
-        this->persistence_file_name_ = get_opts.opt_arg ();
+        this->persistence_dir_ = get_opts.opt_arg ();
         r_opt_used = 1;
         break;
       case 'u':
         this->use_storable_context_ = 1;
-        this->persistence_file_name_ = get_opts.opt_arg ();
+        this->persistence_dir_ = get_opts.opt_arg ();
         u_opt_used = 1;
         break;
 #endif /* TAO_HAS_MINIMUM_POA == 0 */
@@ -409,7 +414,7 @@ TAO_Naming_Server::init_with_orb (int argc,
                            this->context_size_,
                            0,
                            0,
-                           this->persistence_file_name_,
+                           this->persistence_dir_,
                            this->base_address_,
                            this->multicast_,
                            this->use_storable_context_,
@@ -428,20 +433,9 @@ TAO_Naming_Server::init_with_orb (int argc,
     }
 
   // If an ior file name was provided on command line
-  if (this->ior_file_name_ != 0)
+  if (this->write (size_t(ROOT)) != 0)
     {
-      CORBA::String_var ns_ior = this->naming_service_ior ();
-      if (this->write_ior_to_file (
-            ns_ior.in (),
-            ACE_TEXT_ALWAYS_CHAR (this->ior_file_name_)) != 0)
-        {
-          ORBSVCS_ERROR_RETURN ((LM_ERROR,
-                             ACE_TEXT("Unable to open %C for writing:(%u) %p\n"),
-                             this->ior_file_name_,
-                             ACE_ERRNO_GET,
-                             ACE_TEXT("TAO_Naming_Server::init_with_orb")),
-                            -1);
-        }
+      return -1;
     }
 
   if (this->pid_file_name_ != 0)
@@ -472,6 +466,11 @@ TAO_Naming_Server::init_new_naming (CORBA::ORB_ptr orb,
 {
   try
     {
+      if (CORBA::is_nil (this->orb_.in ()))
+        {
+          this->orb_ = CORBA::ORB::_duplicate (orb);
+        }
+
 #if defined (CORBA_E_MICRO)
       ACE_UNUSED_ARG (persistence_location);
       ACE_UNUSED_ARG (base_addr);
@@ -509,7 +508,9 @@ TAO_Naming_Server::init_new_naming (CORBA::ORB_ptr orb,
           // Now make sure this directory exists
           if (ACE_OS::access (persistence_location, W_OK|X_OK))
             {
-              ORBSVCS_ERROR_RETURN ((LM_ERROR, "Invalid persistence directory\n"), -1);
+              ORBSVCS_ERROR_RETURN ((LM_ERROR,
+                "Invalid persistence directory %C %p\n",
+                persistence_location, "access"), -1);
             }
 
 #if (TAO_HAS_MINIMUM_POA == 0) && !defined (CORBA_E_COMPACT)
@@ -525,15 +526,15 @@ TAO_Naming_Server::init_new_naming (CORBA::ORB_ptr orb,
             }
 #endif /* TAO_HAS_MINIMUM_POA */
           try {  // The following might throw an exception.
-            this->naming_context_ =
-              TAO_Storable_Naming_Context::recreate_all (orb,
-              poa,
-              TAO_ROOT_NAMING_CONTEXT,
-              context_size,
-              0,
-              contextFactory.get (),
-              persFactory.get (),
-              use_redundancy_);
+            this->assign (size_t(ROOT), false, TAO_Storable_Naming_Context::
+                                    recreate_all (orb,
+                                                  poa,
+                                                  TAO_ROOT_NAMING_CONTEXT,
+                                                  context_size,
+                                                  0,
+                                                  contextFactory.get (),
+                                                  persFactory.get (),
+                                                  use_redundancy_));
           }
           catch (const CORBA::Exception& ex)
           {
@@ -595,8 +596,7 @@ TAO_Naming_Server::init_new_naming (CORBA::ORB_ptr orb,
             }
 
           // Set the root Naming Context reference.
-          this->naming_context_ =
-            this->context_index_->root_context ();
+          this->assign (size_t(ROOT), false, this->context_index_->root_context ());
         }
       else
 #endif /* CORBA_E_MICRO */
@@ -604,10 +604,10 @@ TAO_Naming_Server::init_new_naming (CORBA::ORB_ptr orb,
           //
           // Initialize Transient Naming Service.
           //
-          this->naming_context_ =
+          this->assign (size_t(ROOT), false,
             TAO_Transient_Naming_Context::make_new_context (poa,
                                                             TAO_ROOT_NAMING_CONTEXT,
-                                                            context_size);
+                                                            context_size));
 
         }
 
@@ -616,27 +616,22 @@ TAO_Naming_Server::init_new_naming (CORBA::ORB_ptr orb,
       // mechanism.  Primarily useful for dynamically loaded Name
       // Services.
       orb->register_initial_reference ("NameService",
-                                       this->naming_context_.in ());
+                                       this->iors_[ROOT].ref_.in ());
 #endif /* CORBA_E_MICRO */
 
-      // Set the ior of the root Naming Context.
-      this->naming_service_ior_=
-        orb->object_to_string (this->naming_context_.in ());
-
       CORBA::Object_var table_object =
         orb->resolve_initial_references ("IORTable");
 
-      IORTable::Table_var adapter =
+      IORTable::Table_var ior_table =
         IORTable::Table::_narrow (table_object.in ());
-      if (CORBA::is_nil (adapter.in ()))
+      if (CORBA::is_nil (ior_table.in ()))
         {
           ORBSVCS_ERROR ((LM_ERROR, "Nil IORTable\n"));
         }
       else
         {
-          CORBA::String_var ior =
-            orb->object_to_string (this->naming_context_.in ());
-          adapter->bind ("NameService", ior.in ());
+          ior_table->bind ("NameService",
+                         this->iors_[ROOT].ior_.c_str());
         }
 
 #if defined (ACE_HAS_IP_MULTICAST)
@@ -683,14 +678,14 @@ TAO_Naming_Server::init_new_naming (CORBA::ORB_ptr orb,
 
           if (mde.length () != 0)
             {
-              if (this->ior_multicast_->init (this->naming_service_ior_.in (),
+              if (this->ior_multicast_->init (this->iors_[ROOT].ior_.c_str (),
                                               mde.c_str (),
                                               TAO_SERVICEID_NAMESERVICE) == -1)
                 return -1;
             }
           else
             {
-              if (this->ior_multicast_->init (this->naming_service_ior_.in (),
+              if (this->ior_multicast_->init (this->iors_[ROOT].ior_.c_str (),
                                               port,
 #if defined (ACE_HAS_IPV6)
                                               ACE_DEFAULT_MULTICASTV6_ADDR,
@@ -707,13 +702,13 @@ TAO_Naming_Server::init_new_naming (CORBA::ORB_ptr orb,
             {
               if (TAO_debug_level > 0)
                 ORBSVCS_DEBUG ((LM_DEBUG,
-                            "TAO_Naming_Server: cannot register Event handler\n"));
+                            ACE_TEXT ("TAO_Naming_Server: cannot register Event handler\n")));
               return -1;
             }
 
           if (TAO_debug_level > 0)
             ORBSVCS_DEBUG ((LM_DEBUG,
-                        "TAO_Naming_Server: The multicast server setup is done.\n"));
+                        ACE_TEXT ("TAO_Naming_Server: The multicast server setup is done.\n")));
         }
 #else
   ACE_UNUSED_ARG (enable_multicast);
@@ -757,39 +752,6 @@ TAO_Naming_Server::init_new_naming (CORBA::ORB_ptr orb,
   return 0;
 }
 
-int
-TAO_Naming_Server::write_ior_to_file (const char* ior_string,
-                                      const char* file_name)
-{
-  if ((file_name != 0) &&
-      (ior_string != 0))
-    {
-      FILE *iorf = ACE_OS::fopen (file_name, ACE_TEXT("w"));
-      if (iorf == 0)
-        {
-          ORBSVCS_ERROR_RETURN ((LM_ERROR,
-                             ACE_TEXT("Unable to open %s for writing:(%u) %p\n"),
-                             file_name,
-                             ACE_ERRNO_GET,
-                             ACE_TEXT("Naming_Server::write_ior_to_file")),
-                            -1);
-        }
-
-      ACE_OS::fprintf (iorf, "%s\n", ior_string);
-      ACE_OS::fclose (iorf);
-    }
-  else
-    {
-      ORBSVCS_ERROR_RETURN ((LM_ERROR,
-                         ACE_TEXT ("Invalid file name or IOR string provided")
-                         ACE_TEXT ("to TAO_Naming_Server::write_ior_to_file\n")),
-                        -1);
-
-    }
-
-  return 0;
-}
-
 TAO_Storable_Naming_Context_Factory *
 TAO_Naming_Server::storable_naming_context_factory (size_t context_size)
 {
@@ -822,6 +784,11 @@ TAO_Naming_Server::fini (void)
       this->ior_multicast_ = 0;
     }
 
+  for (size_t i = 0; i < bundle_size_; i++ )
+    {
+      this->iors_[i].ref_ = CORBA::Object::_nil();
+    }
+
   // Destroy the child POA ns_poa that is created when initializing
   // the Naming Service
   try
@@ -829,20 +796,32 @@ TAO_Naming_Server::fini (void)
       if (!CORBA::is_nil (this->ns_poa_.in ()))
         this->ns_poa_->destroy (1, 1);
 
+    }
+  catch (const CORBA::Exception&)
+    {
+      // Ignore
+    }
+  try
+    {
       CORBA::Object_var table_object =
         this->orb_->resolve_initial_references ("IORTable");
 
-      IORTable::Table_var adapter =
+      IORTable::Table_var ior_table =
         IORTable::Table::_narrow (table_object.in ());
-      if (CORBA::is_nil (adapter.in ()))
-        {
-          ORBSVCS_ERROR ((LM_ERROR, "Nil IORTable\n"));
-        }
-      else
+
+      if (!CORBA::is_nil (ior_table.in ()))
         {
-          adapter->unbind ("NameService");
+          ior_table->unbind ("NameService");
         }
 
+    }
+  catch (const CORBA::Exception&)
+    {
+      // Ignore
+    }
+
+  try
+    {
 #if !defined (CORBA_E_MICRO)
       CORBA::Object_var svc =
         this->orb_->unregister_initial_reference ("NameService");
@@ -854,7 +833,6 @@ TAO_Naming_Server::fini (void)
       // Ignore
     }
 
-  naming_context_ = CosNaming::NamingContext::_nil ();
   ns_poa_ = PortableServer::POA::_nil ();
   root_poa_ = PortableServer::POA::_nil ();
   orb_ = CORBA::ORB::_nil ();
@@ -869,18 +847,28 @@ TAO_Naming_Server::fini (void)
 char*
 TAO_Naming_Server::naming_service_ior (void)
 {
-  return CORBA::string_dup (this->naming_service_ior_.in ());
+  return CORBA::string_dup (this->iors_[ROOT].ior_.c_str());
 }
 
 CosNaming::NamingContext_ptr
 TAO_Naming_Server::operator-> (void) const
 {
-  return this->naming_context_.ptr ();
+  if (CORBA::is_nil (this->iors_[ROOT].ref_))
+    {
+      return CosNaming::NamingContext::_nil ();
+    }
+
+  CosNaming::NamingContext_ptr ret =
+    CosNaming::NamingContext::_narrow (this->iors_[ROOT].ref_);
+
+  return ret;
 }
 
 
 TAO_Naming_Server::~TAO_Naming_Server (void)
 {
+  delete [] this->iors_;
+
 #if (TAO_HAS_MINIMUM_POA == 0) && \
     !defined (CORBA_E_COMPACT) && !defined (CORBA_E_MICRO)
   if (this->use_servant_activator_ &&
@@ -892,4 +880,93 @@ TAO_Naming_Server::~TAO_Naming_Server (void)
 #endif /* TAO_HAS_MINIMUM_POA */
 }
 
+
+TAO_Naming_Server::IOR_Bundle *
+TAO_Naming_Server::bundle_at(size_t ndx)
+  {
+  if (ndx >= this->bundle_size_)
+    {
+    if (TAO_debug_level)
+      {
+      ORBSVCS_ERROR((LM_ERROR,
+        ACE_TEXT("(%P|%t) TAO_naming_Server::bundle_at, ")
+        ACE_TEXT("index %d out of range\n"),
+        ndx));
+      }
+    return 0;
+    }
+  return &iors_[ndx];
+  }
+
+const TAO_Naming_Server::IOR_Bundle *
+TAO_Naming_Server::bundle_at(size_t ndx) const
+  {
+  if (ndx >= this->bundle_size_)
+    {
+    if (TAO_debug_level)
+      {
+      ORBSVCS_ERROR((LM_ERROR,
+        ACE_TEXT("(%P|%t) const TAO_naming_Server::bundle_at, ")
+        ACE_TEXT("index %d out of range\n"),
+        ndx));
+      }
+    return 0;
+    }
+  return &iors_[ndx];
+  }
+
+
+
+int
+TAO_Naming_Server::write(size_t ndx) const
+{
+  const IOR_Bundle *b = bundle_at(ndx);
+  if (b == 0)
+    return -1;
+
+  if (b->filename_.length() == 0)
+    return 0;
+
+  if (b->ior_.length() == 0)
+    {
+      if (TAO_debug_level > 0)
+        {
+          ORBSVCS_ERROR ((LM_ERROR,
+                         ACE_TEXT ("IOR_Bundle::write called with ")
+                          ACE_TEXT ("empty IOR \n")));
+        }
+      return -1;
+    }
+
+  FILE *iorf = ACE_OS::fopen (b->filename_.c_str(), ACE_TEXT("w"));
+  if (iorf == 0)
+    {
+      if (TAO_debug_level > 0)
+        {
+          ORBSVCS_ERROR ((LM_ERROR,
+                          ACE_TEXT("Unable to open %C for writing:(%u) %p\n"),
+                          b->filename_.c_str(),
+                          ACE_ERRNO_GET,
+                          ACE_TEXT("IOR_Bundle::write")));
+        }
+      return -1;
+    }
+  ACE_OS::fprintf (iorf, "%s\n", b->ior_.c_str());
+  ACE_OS::fclose (iorf);
+
+  return 0;
+}
+
+void
+TAO_Naming_Server::assign (size_t ndx, bool take, CORBA::Object_ptr obj)
+{
+  IOR_Bundle *b = this->bundle_at(ndx);
+  if (b == 0)
+    return;
+
+  b->ref_ = take ? obj : CORBA::Object::_duplicate (obj);
+  b->ior_ = this->orb_->object_to_string (b->ref_.in());
+}
+
+
 TAO_END_VERSIONED_NAMESPACE_DECL
diff --git a/TAO/orbsvcs/orbsvcs/Naming/Naming_Server.h b/TAO/orbsvcs/orbsvcs/Naming/Naming_Server.h
index 3a6bbf180e8..d4939ada823 100644
--- a/TAO/orbsvcs/orbsvcs/Naming/Naming_Server.h
+++ b/TAO/orbsvcs/orbsvcs/Naming/Naming_Server.h
@@ -4,14 +4,17 @@
 /**
  *  @file    Naming_Server.h
  *
+ *
  *    Implement wrappers useful to Naming Service servers.
  *
+ *
  *  @author Nagarajan Surendran (naga@cs.wustl.edu)
  *  @author Matt Braun <mjb2@cs.wustl.edu>
  *  @author Douglas C. Schmidt <schmidt@cs.wustl.edu>.
  */
 //=============================================================================
 
+
 #ifndef TAO_NAMING_SERVER_H
 #define TAO_NAMING_SERVER_H
 #include /**/ "ace/pre.h"
@@ -28,6 +31,7 @@ TAO_BEGIN_VERSIONED_NAMESPACE_DECL
 // Forward decl;
 class TAO_Persistent_Context_Index;
 class TAO_Storable_Naming_Context_Activator;
+
 #endif /* !CORBA_E_MICRO */
 
 class TAO_Storable_Naming_Context_Factory;
@@ -64,7 +68,7 @@ class TAO_Naming_Serv_Export TAO_Naming_Server
 {
 public:
   /// Default constructor.
-  TAO_Naming_Server (void);
+  TAO_Naming_Server (size_t bsize = 1);
 
   /**
    * Constructor.  Attempts to find an existing Naming Service if
@@ -90,7 +94,8 @@ public:
                      int enable_multicast = 1,
                      int use_storable_context = 0,
                      int round_trip_timeout = 0,
-                     int use_round_trip_timeout = 0);
+                     int use_round_trip_timeout = 0,
+                     size_t bsize = 1);
 
   /**
    * Initializer.  Attempts to find an existing Naming Service if
@@ -131,19 +136,31 @@ public:
   /// Returns the IOR of the naming service.
   char * naming_service_ior (void);
 
-  /// Returns a NamingContext_ptr for the root Naming Context.
+  /// Returns a <NamingContext_ptr> for the root Naming Context.
   CosNaming::NamingContext_ptr operator-> (void) const;
 
 protected:
-  /**
-   * Helper method: create Naming Service locally. Can be specialized to
+  struct IOR_Bundle {
+    CORBA::Object_var ref_;
+    ACE_CString ior_;
+    ACE_TString filename_;
+  };
+
+  void assign (size_t ndx, bool take, CORBA::Object_ptr obj);
+  int write (size_t ndx) const;
+
+  enum Base_IOR_Indexes {
+    ROOT = 0
+  };
+
+  /**   * Helper method: create Naming Service locally. Can be specialized to
    * refine how Naming Service components are created and initialized
    * Make the root context of size
-   * @a context_size, register it under the @a root_poa, and make the Naming
-   * Service persistent if @a persistence_location is not 0.
-   * (@a persistence_location specifies name of the file to use for
+   * <context_size>, register it under the <root_poa>, and make the Naming
+   * Service persistent if <persistence_location> is not 0.
+   * (<persistence_location> specifies name of the file to use for
    * persistent storage).
-   * If @a enable_multicast is not zero then the service will respond
+   * If <enable_multicast> is not zero then the service will respond
    * to multicast location queries.
    */
   virtual int init_new_naming (CORBA::ORB_ptr orb,
@@ -175,15 +192,9 @@ protected:
   virtual TAO_Persistent_Naming_Context_Factory *
     persistent_naming_context_factory (void);
 
-  /// Root NamingContext_ptr.
-  CosNaming::NamingContext_var naming_context_;
-
   /// The ior_multicast event handler.
   TAO_IOR_Multicast *ior_multicast_;
 
-  /// The IOR string of the root naming context.
-  CORBA::String_var naming_service_ior_;
-
   /// The ORB
   CORBA::ORB_var orb_;
 
@@ -193,12 +204,17 @@ protected:
   /// The Naming Service POA.
   PortableServer::POA_var ns_poa_;
 
-  /// File to output the Naming Service IOR.
-  const ACE_TCHAR *ior_file_name_;
-
   /// File to output the process id.
   const ACE_TCHAR *pid_file_name_;
 
+  /// Although this class only manages the root context info
+  /// the FT class adds primary/backup IORs for the root context
+  /// as well as IORs for LB groups as well.
+  IOR_Bundle *iors_;
+  size_t bundle_size_;
+  IOR_Bundle *bundle_at (size_t ndx);
+  const IOR_Bundle *bundle_at (size_t ndx) const;
+
   /**
    * Size of the hash_table allocated upon the creation of the Naming
    * Service context (if one is created).  Note: all the contexts
@@ -220,7 +236,7 @@ protected:
 
   /// Path to the file to be used to store/read in Naming Service
   /// persistent state.
-  const ACE_TCHAR *persistence_file_name_;
+  const ACE_TCHAR *persistence_dir_;
 
   /// Address to be used for memory mapping Naming Service state file,
   /// identified by the <persistence_file_name_>.
diff --git a/TAO/orbsvcs/orbsvcs/Naming/Storable_Naming_Context.cpp b/TAO/orbsvcs/orbsvcs/Naming/Storable_Naming_Context.cpp
index f92ff94e7d8..c6e8cc22dbb 100644
--- a/TAO/orbsvcs/orbsvcs/Naming/Storable_Naming_Context.cpp
+++ b/TAO/orbsvcs/orbsvcs/Naming/Storable_Naming_Context.cpp
@@ -1,3 +1,4 @@
+
 #include "orbsvcs/Log_Macros.h"
 #include "orbsvcs/Naming/Storable_Naming_Context.h"
 #include "orbsvcs/Naming/Storable_Naming_Context_Factory.h"
@@ -247,7 +248,6 @@ void TAO_Storable_Naming_Context::Write (TAO::Storable_Base& wrtr)
   ACE_TRACE("Write");
   TAO_Storable_Naming_Context_ReaderWriter rw(wrtr);
   rw.write(*this);
-
 }
 
 // Helpers function to load a new context into the binding_map
@@ -270,7 +270,7 @@ File_Open_Lock_and_Check::File_Open_Lock_and_Check
   try
     {
       this->init_no_load (method_type);
-      if (force_load || method_type == CREATE_WITHOUT_FILE)
+      if (force_load)
         this->reload ();
       else
         {
@@ -298,10 +298,9 @@ File_Open_Lock_and_Check::~File_Open_Lock_and_Check ()
   // notify the context if it did.
   if (context_->write_occurred_ == 1)
     {
-      context_->context_written ();
-      // We have to make sure we clear the flag
-      // for subsequent times through.
+      // clear first to avoid potential nested upcalls
       context_->write_occurred_ = 0;
+      context_->context_written ();
     }
 }
 
@@ -402,16 +401,6 @@ TAO_Storable_Naming_Context::TAO_Storable_Naming_Context (
     write_occurred_ (0)
 {
   ACE_TRACE("TAO_Storable_Naming_Context");
-  // Create a temporary stream simply to check if a readable
-  // version already exists.
-
-  ACE_Auto_Ptr<TAO::Storable_Base> stream
-    (this->factory_->create_stream(context_name_.c_str(), "r"));
-  if (!stream->exists ())
-    {
-      File_Open_Lock_and_Check fg(this, SFG::CREATE_WITHOUT_FILE, false);
-      this->Write (fg.peer ());
-    }
 }
 
 TAO_Storable_Naming_Context::~TAO_Storable_Naming_Context (void)
@@ -940,6 +929,8 @@ TAO_Storable_Naming_Context::list (CORBA::ULong how_many,
                                    CosNaming::BindingIterator_out &bi)
 {
   ACE_TRACE("TAO_Storable_Naming_Context::list");
+  // Allocate nil out parameters in case we won't be able to complete
+  // the operation.
   bi = CosNaming::BindingIterator::_nil ();
 
   ACE_NEW_THROW_EX (bl,
@@ -953,11 +944,14 @@ TAO_Storable_Naming_Context::list (CORBA::ULong how_many,
                            this->lock_,
                            CORBA::INTERNAL ());
 
+  // Dynamically allocate iterator for traversing the underlying hash map.
   HASH_MAP::ITERATOR *hash_iter = 0;
   ACE_NEW_THROW_EX (hash_iter,
                     HASH_MAP::ITERATOR (storable_context_->map ()),
                     CORBA::NO_MEMORY ());
 
+  // Store <hash_iter temporarily in auto pointer, in case we'll have
+  // some failures and throw an exception.
   ACE_Auto_Basic_Ptr<HASH_MAP::ITERATOR> temp (hash_iter);
 
   // Silliness below is required because of broken old g++!!!  E.g.,
@@ -968,14 +962,27 @@ TAO_Storable_Naming_Context::list (CORBA::ULong how_many,
   typedef ACE_Hash_Map_Manager<TAO_Storable_ExtId,
                                TAO_Storable_IntId,
                                ACE_Null_Mutex>::ENTRY ENTRY_DEF;
+
+  // Typedef to the type of BindingIterator servant for ease of use.
   typedef TAO_Bindings_Iterator<ITER_DEF, ENTRY_DEF> ITER_SERVANT;
 
-  CORBA::ULong n = (this->context_->current_size () > how_many) ?
-    how_many :
-    static_cast<CORBA::ULong> (this->context_->current_size ());
+  // A pointer to BindingIterator servant.
+  ITER_SERVANT *bind_iter = 0;
+
+  // Number of bindings that will go into the BindingList <bl>.
+  CORBA::ULong n;
+
+  // Calculate number of bindings that will go into <bl>.
+  if (this->context_->current_size () > how_many)
+    n = how_many;
+  else
+    n = static_cast<CORBA::ULong> (this->context_->current_size ());
+
+  // Use the hash map iterator to populate <bl> with bindings.
   bl->length (n);
 
   ENTRY_DEF *hash_entry = 0;
+
   for (CORBA::ULong i = 0; i < n; i++)
     {
       hash_iter->next (hash_entry);
@@ -985,26 +992,35 @@ TAO_Storable_Naming_Context::list (CORBA::ULong how_many,
           throw CORBA::NO_MEMORY();
     }
 
+  // Now we are done with the BindingsList, and we can follow up on
+  // the BindingIterator business.
+
+  // If we do not need to pass back BindingIterator.
   if (this->context_->current_size () <= how_many)
     return;
   else if (redundant_)
     {
+      ACE_UNUSED_ARG (bind_iter);
       throw CORBA::NO_IMPLEMENT ();
     }
   else
     {
-      ITER_SERVANT *bind_iter = 0;
+      // Create a BindingIterator for return.
       ACE_NEW_THROW_EX (bind_iter,
                         ITER_SERVANT (this, hash_iter, this->poa_.in ()),
                         CORBA::NO_MEMORY ());
 
+      // Release <hash_iter> from auto pointer, and start using
+      // reference counting to control our servant.
       temp.release ();
-      PortableServer::ServantBase_var svt = bind_iter;
+      PortableServer::ServantBase_var iter = bind_iter;
 
       // Increment reference count on this Naming Context, so it doesn't get
       // deleted before the BindingIterator servant gets deleted.
       interface_->_add_ref ();
 
+      // Register with the POA.
+      // Is an ACE_UINT32 enough?
       char poa_id[BUFSIZ];
       ACE_OS::snprintf (poa_id,
                         BUFSIZ,
@@ -1014,9 +1030,9 @@ TAO_Storable_Naming_Context::list (CORBA::ULong how_many,
       PortableServer::ObjectId_var id =
         PortableServer::string_to_ObjectId (poa_id);
 
-      this->poa_->activate_object_with_id (id.in (), svt.in());
-      CORBA::Object_var obj = this->poa_->id_to_reference (id.in ());
-      bi = CosNaming::BindingIterator::_narrow (obj.in());
+      this->poa_->activate_object_with_id (id.in (),
+                                           bind_iter);
+      bi = bind_iter->_this ();
     }
 }
 
@@ -1098,7 +1114,10 @@ TAO_Storable_Naming_Context::recreate_all (
   TAO_Storable_Naming_Context_ReaderWriter rw(*gfl_.get());
   rw.read_global(global);
   gcounter_ = global.counter();
-  if(redundant_) gfl_->close();
+  if (redundant_)
+    {
+      gfl_->close();
+    }
 
   return result._retn ();
 }
diff --git a/TAO/orbsvcs/tests/FT_Naming/FaultTolerant/FaultTolerant.mpc b/TAO/orbsvcs/tests/FT_Naming/FaultTolerant/FaultTolerant.mpc
index 6ce5d82e654..22dcff47246 100644
--- a/TAO/orbsvcs/tests/FT_Naming/FaultTolerant/FaultTolerant.mpc
+++ b/TAO/orbsvcs/tests/FT_Naming/FaultTolerant/FaultTolerant.mpc
@@ -1,4 +1,5 @@
 // -*- MPC -*-
+
 project(*idl): taoidldefaults {
   IDL_Files {
     Test.idl
@@ -23,12 +24,10 @@ project(*server): ftnaming {
 project(*Client) : ftnaming {
   exename  = client
   after += *idl
-
   Source_Files {
     client.cpp
     TestC.cpp
   }
-
   IDL_Files {
     test_object.idl
   }
diff --git a/TAO/orbsvcs/tests/FT_Naming/Replication/run_test.pl b/TAO/orbsvcs/tests/FT_Naming/Replication/run_test.pl
index 22c0a13caa7..43fac578426 100755
--- a/TAO/orbsvcs/tests/FT_Naming/Replication/run_test.pl
+++ b/TAO/orbsvcs/tests/FT_Naming/Replication/run_test.pl
@@ -24,12 +24,16 @@ my $test = PerlACE::TestTarget::create_target (1) || die "Create target 1 failed
 
 # Variables for command-line arguments to client and server
 # executables.
-$hostname = $test->HostName ();
-
+# $hostname = $test->HostName ();
+$hostname = "127.0.0.1";
 $ns_orb_port1 = 10001 + $test->RandomPort ();
 $ns_orb_port2 = 10002 + $test->RandomPort ();
+$ft_orb_port1 = 12001 + $test->RandomPort ();
+$ft_orb_port2 = 12002 + $test->RandomPort ();
 $ns_endpoint1 = "iiop://$hostname:$ns_orb_port1";
 $ns_endpoint2 = "iiop://$hostname:$ns_orb_port2";
+$ft_endpoint1 = "iiop://$hostname:$ft_orb_port1";
+$ft_endpoint2 = "iiop://$hostname:$ft_orb_port2";
 
 $naming_persistence_dir = "NameService";
 $groups_persistence_dir = "Groups";
@@ -95,7 +99,8 @@ sub init_persistence_directory($$)
 # Run two Naming Servers and one client.  Client uses iors
 # in files to find the individual copies of the Naming Servers.
 
-my $args = "-ORBEndPoint $ns_endpoint1 " .
+my $args = "-orbdebuglevel 1 -orbverboselogging 1 -ORBLogFile primary.log -ORBEndPoint $ns_endpoint1 " .
+           "-ftendpoint $ft_endpoint1 " .
            "-m 0 " .
            "-r $naming_persistence_dir " .
            "-v $groups_persistence_dir " .
@@ -122,17 +127,19 @@ if ($test->WaitForFileTimed ($primary_iorfile,
 }
 
 $args = "-ORBEndPoint $ns_endpoint2 " .
+        "-ftendpoint $ft_endpoint2 " .
         "-g $nm_iorfile " .
         "-c $combined_ns_iorfile " .
         "-m 0 " .
         "-n 100 " .
         "-r $naming_persistence_dir " .
         "-v $groups_persistence_dir " .
+        "-orbdebuglevel 1 -orbverboselogging 1  -ORBLogFile backup.log " .
         "--backup";
 
 $prog = "$startdir/../../../FT_Naming_Service/tao_ft_naming";
 
-print STDERR "Starting Backup: $prog $args\n";
+print STDERR "Starting Backup: $prog $args\n in $startdir\n";
 
 $NS2 = $test->CreateProcess ("$prog", "$args");