diff --git a/examples/packet-sizes.cc b/examples/packet-sizes.cc
new file mode 100644
index 0000000..041cac6
--- /dev/null
+++ b/examples/packet-sizes.cc
@@ -0,0 +1,126 @@
+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2011 University of California, Los Angeles
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+
+#include "ns3/core-module.h"
+#include "ns3/ccnx-content-object-header.h"
+#include "ns3/ccnx-interest-header.h"
+#include "ns3/ccnx-header-helper.h"
+#include "ns3/header.h"
+#include "ns3/ccnx-name-components.h"
+#include "ns3/nstime.h"
+#include "ns3/string.h"
+#include "ns3/buffer.h"
+#include "ns3/packet.h"
+#include "ns3/log.h"
+
+using namespace ns3;
+#include <fstream>
+
+NS_LOG_COMPONENT_DEFINE ("PacketSizes");
+
+int
+main (int argc, char *argv[])
+{
+  NS_LOG_INFO ("Test started");
+
+  uint32_t size = 1024;
+  std::string namePrefixStr = "/1";
+  uint32_t start=0, end=100;
+
+  CommandLine	cmd;
+  cmd.AddValue ("size",  "ContentObject payload size", size);
+  cmd.AddValue ("name",  "Prefix",                     namePrefixStr);
+  cmd.AddValue ("start", "Range start", start);
+  cmd.AddValue ("end",   "Range end",   end);
+  cmd.Parse (argc, argv);
+ 
+  CcnxNameComponents namePrefixValue;
+  std::istringstream is (namePrefixStr);
+  is >> namePrefixValue;
+
+  Packet::EnablePrinting ();
+  Packet::EnableChecking ();
+
+  double interestSize = 0.0;
+  double nackSize = 0.0;
+  double contentObjectSize = 0.0;
+
+  double progress = start;
+  double step = (end-start)/100.0;
+
+  progress += step;
+
+  NS_LOG_INFO (progress << ", " << step);
+
+  for (uint32_t currentSize = start; currentSize < end; currentSize++)
+    {
+      Ptr<CcnxNameComponents> namePrefix = Create<CcnxNameComponents> (namePrefixValue);
+      namePrefix->Add (currentSize);
+
+      NS_LOG_LOGIC (boost::cref (*namePrefix));
+
+      // Interest Packet (doesn't have a payload)
+      CcnxInterestHeader interestHeader;
+
+      interestHeader.SetName (namePrefix);
+      interestHeader.SetInterestLifetime (Seconds (4.0));
+      interestHeader.SetNonce (10101010);
+      
+      Ptr<Packet> interestPacket =  Create<Packet> (0);
+      interestPacket->AddHeader (interestHeader);
+
+      interestSize = interestSize + (1.0*interestPacket->GetSize () - interestSize) / (currentSize - start + 1);
+
+      
+
+      // NACK
+      interestHeader.SetNack (CcnxInterestHeader::NACK_GIVEUP_PIT);
+
+      Ptr<Packet> nackPacket = Create<Packet> (0);
+      nackPacket->AddHeader (interestHeader);
+      
+      nackSize = nackSize + (1.0*nackPacket->GetSize () - nackSize) / (currentSize - start + 1);
+
+      // ContentObject
+      CcnxContentObjectHeader coHeader;
+      CcnxContentObjectTail   coTrailer;
+      
+      coHeader.SetName (namePrefix);
+      
+      Ptr<Packet> contentObject = Create<Packet> (size);
+
+      contentObject->AddHeader (coHeader);
+      contentObject->AddTrailer (coTrailer);
+
+      contentObjectSize = contentObjectSize + (1.0*contentObject->GetSize () - contentObjectSize ) / (currentSize - start + 1);
+
+      NS_LOG_DEBUG (interestSize << ", " << nackSize << ", " << contentObjectSize);
+
+      if (currentSize >= progress) 
+	{
+	  NS_LOG_INFO ("Current: " << currentSize << "/" << end);
+	  progress += step;
+	}
+    }
+
+  NS_LOG_INFO ("Avg interest: " << interestSize << ", avg nack: " << nackSize << ", avg contentObject: " << contentObjectSize);
+
+  return 0;
+}