InterestPacket, ContentPacket, Face classes added
diff --git a/model/ndn_contentpacket.h b/model/ndn_contentpacket.h
new file mode 100644
index 0000000..1d5fe73
--- /dev/null
+++ b/model/ndn_contentpacket.h
@@ -0,0 +1,22 @@
+//
+// ndn_contentpacket.h
+// Abstraction
+//
+// Copyright 2011 UCLA. All rights reserved.
+//
+
+#ifndef ndn_contentpacket_h
+#define ndn_contentpacket_h
+
+#include "ns3/header.h"
+#include <ns3/packet.h>
+
+namespace ns3
+{
+ class InterestPacket : public Packet
+ {
+
+ };
+}
+
+#endif
\ No newline at end of file