diff --git a/model/ndn-ns3.hpp b/model/ndn-ns3.hpp
new file mode 100644
index 0000000..1f8172f
--- /dev/null
+++ b/model/ndn-ns3.hpp
@@ -0,0 +1,46 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2011-2014  Regents of the University of California.
+ *
+ * This file is part of ndnSIM. See AUTHORS for complete list of ndnSIM authors and
+ * contributors.
+ *
+ * ndnSIM is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * ndnSIM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * ndnSIM, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+#ifndef NDN_NS3_HPP
+#define NDN_NS3_HPP
+
+#include "ns3/packet.h"
+#include "ns3/ptr.h"
+
+namespace ns3 {
+namespace ndn {
+
+class Convert {
+public:
+  template<class T>
+  static std::shared_ptr<const T>
+  FromPacket(Ptr<Packet> packet);
+
+  template<class T>
+  static Ptr<Packet>
+  ToPacket(const T& pkt);
+
+  static uint32_t
+  getPacketType(Ptr<const Packet> packet);
+};
+
+} // namespace ndn
+} // namespace ns3
+
+#endif