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diff --git a/qpid/cpp/src/qpid/cluster/OutputInterceptor.h b/qpid/cpp/src/qpid/cluster/OutputInterceptor.h
new file mode 100644
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+++ b/qpid/cpp/src/qpid/cluster/OutputInterceptor.h
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+#ifndef QPID_CLUSTER_OUTPUTINTERCEPTOR_H
+#define QPID_CLUSTER_OUTPUTINTERCEPTOR_H
+
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+#include "qpid/cluster/NoOpConnectionOutputHandler.h"
+#include "qpid/sys/ConnectionOutputHandler.h"
+#include "qpid/sys/Mutex.h"
+#include "qpid/broker/ConnectionFactory.h"
+#include <boost/function.hpp>
+
+namespace qpid {
+namespace framing { class AMQFrame; }
+namespace cluster {
+
+class Connection;
+
+/**
+ * Interceptor for connection OutputHandler, manages outgoing message replication.
+ */
+class OutputInterceptor : public sys::ConnectionOutputHandler {
+  public:
+    OutputInterceptor(cluster::Connection& p, sys::ConnectionOutputHandler& h);
+
+    // sys::ConnectionOutputHandler functions
+    void send(framing::AMQFrame& f);
+    void abort();
+    void activateOutput();
+    void giveReadCredit(int32_t);
+    void close();
+    size_t getBuffered() const;
+
+    // Delivery point for doOutput requests.
+    void deliverDoOutput(uint32_t limit);
+    // Intercept doOutput requests on Connection.
+    bool doOutput();
+
+    void closeOutput();
+
+    uint32_t getSendMax() const { return sendMax; }
+    void setSendMax(uint32_t sendMax_) { sendMax=sendMax_; }
+
+    cluster::Connection& parent;
+
+  private:
+    typedef sys::Mutex::ScopedLock Locker;
+
+    void sendDoOutput(size_t newLimit, const sys::Mutex::ScopedLock&);
+
+    mutable sys::Mutex lock;
+    bool closing;
+    sys::ConnectionOutputHandler* next;
+    static NoOpConnectionOutputHandler discardHandler;
+    uint32_t sendMax, sent;
+    bool sentDoOutput;
+};
+
+}} // namespace qpid::cluster
+
+#endif  /*!QPID_CLUSTER_OUTPUTINTERCEPTOR_H*/