diff --git a/ndn.cxx/detail/registered-prefix-container.h b/ndn.cxx/detail/registered-prefix-container.h
new file mode 100644
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+++ b/ndn.cxx/detail/registered-prefix-container.h
@@ -0,0 +1,63 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2013, Regents of the University of California
+ *                     Alexander Afanasyev
+ *
+ * GNU v3.0 license, See the LICENSE file for more information
+ *
+ * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+
+#ifndef NDN_NDNCXX_DETAIL_REGISTERED_PREFIX_CONTAINER_H
+#define NDN_NDNCXX_DETAIL_REGISTERED_PREFIX_CONTAINER_H
+
+#include <ns3/ndnSIM/utils/trie/trie-with-policy.h>
+#include <ns3/ndnSIM/utils/trie/counting-policy.h>
+
+namespace ns3 {
+namespace ndn {
+namespace detail {
+
+struct RegisteredPrefixEntry : public SimpleRefCount< RegisteredPrefixEntry >
+{
+public:
+  RegisteredPrefixEntry (Ptr<const Name> prefix)
+    : m_prefix (prefix)
+  { }
+  
+  void
+  AddCallback (ApiFace::InterestCallback callback)
+  { 
+    m_callback = callback;
+  }
+
+  void
+  ClearCallback ()
+  {
+    m_callback = ApiFace::InterestCallback ();
+  }
+
+  Ptr<const Name>
+  GetPrefix () const
+  {
+    return m_prefix;
+  }
+  
+public:
+  ApiFace::InterestCallback m_callback;
+  Ptr<const Name> m_prefix;
+};
+
+
+struct RegisteredPrefixContainer :
+    public ndnSIM::trie_with_policy<Name,
+                                    ndnSIM::smart_pointer_payload_traits< RegisteredPrefixEntry >,
+                                    ndnSIM::counting_policy_traits>
+{
+};
+
+} // detail
+} // ndn
+} // ns3
+
+#endif // NDN_NDNCXX_DETAIL_REGISTERED_PREFIX_CONTAINER_H