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diff --git a/ACE/ace/Dynamic_Service_Base.h b/ACE/ace/Dynamic_Service_Base.h
new file mode 100644
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+++ b/ACE/ace/Dynamic_Service_Base.h
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+/* -*- C++ -*- */
+
+//=============================================================================
+/**
+ *  @file Dynamic_Service_Base.h
+ *
+ *  $Id$
+ *
+ *  @author Prashant Jain <pjain@cs.wustl.edu>
+ *  @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
+ */
+//=============================================================================
+
+#ifndef ACE_DYNAMIC_SERVICE_BASE_H
+#define ACE_DYNAMIC_SERVICE_BASE_H
+
+#include /**/ "ace/pre.h"
+
+#include /**/ "ace/ACE_export.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+class ACE_Service_Gestalt;
+class ACE_Service_Type;
+
+/**
+ * @class ACE_Dynamic_Service_Base
+ *
+ * @brief Base class for all ACE_Dynamic_Service instantiations.
+ *
+ * Factors out common code shared by all ACE_Dynamic_Service
+ * instantiations, this avoid code bloat.
+ */
+class ACE_Export ACE_Dynamic_Service_Base
+{
+public:
+  /// Dump the current static of the object
+  void dump (void) const;
+
+protected:
+  /// Perform the default repo search, but optionally skip searching the global
+  /// repo.
+  static void* instance (const ACE_TCHAR *name, bool no_global = false);
+
+  static void* instance (const ACE_Service_Gestalt* repo,
+                         const ACE_TCHAR *name,
+                         bool no_global = false);
+
+  /// No need to create, or assign instances of this class
+  ACE_Dynamic_Service_Base (void);
+  ~ACE_Dynamic_Service_Base (void);
+  const ACE_Dynamic_Service_Base& operator= (const ACE_Dynamic_Service_Base&);
+
+private:
+  /// Implement the service search policy, i.e. "look for the service first
+  /// locally and then globally"
+  static const ACE_Service_Type *find_i (const ACE_Service_Gestalt* &repo,
+                                         const ACE_TCHAR *name,
+                                         bool no_global);
+
+  /// The dependency declaration class needs access to the service search
+  /// policy, implemented by find_i()
+  friend class ACE_Dynamic_Service_Dependency;
+};
+
+ACE_END_VERSIONED_NAMESPACE_DECL
+
+#include /**/ "ace/post.h"
+#endif /* ACE_DYNAMIC_SERVICE_BASE_H */