First step of refactoring code (ccnx prefix => ndn prefix)
diff --git a/examples/ccnx-simple-with-pcap.cc b/examples/ccnx-simple-with-pcap.cc
new file mode 100644
index 0000000..b97565b
--- /dev/null
+++ b/examples/ccnx-simple-with-pcap.cc
@@ -0,0 +1,83 @@
+
+#include "ns3/core-module.h"
+#include "ns3/network-module.h"
+#include "ns3/point-to-point-module.h"
+#include "ns3/ndnSIM-module.h"
+
+using namespace ns3;
+
+class PcapWriter
+{
+public:
+  PcapWriter (const std::string &file)
+  {
+    PcapHelper helper;
+    m_pcap = helper.CreateFile (file, std::ios::out, PcapHelper::DLT_PPP);
+  }
+  
+  void
+  TracePacket (Ptr<const Packet> packet)
+  {
+    static PppHeader pppHeader;
+    pppHeader.SetProtocol (0x0077);
+    
+    m_pcap->Write (Simulator::Now (), pppHeader, packet);
+  }
+
+private:
+  Ptr<PcapFileWrapper> m_pcap;
+};
+
+
+int
+main (int argc, char *argv[])
+{
+  // setting default parameters for PointToPoint links and channels
+  Config::SetDefault ("ns3::PointToPointNetDevice::DataRate", StringValue ("1Mbps"));
+  Config::SetDefault ("ns3::PointToPointChannel::Delay", StringValue ("10ms"));
+  Config::SetDefault ("ns3::DropTailQueue::MaxPackets", StringValue ("20"));
+
+  Config::SetDefault ("ns3::NdnProducer::SignatureBits", StringValue ("1"));
+  
+  // Creating nodes
+  NodeContainer nodes;
+  nodes.Create (3);
+
+  // Connecting nodes using two links
+  PointToPointHelper p2p;
+  p2p.Install (nodes.Get (0), nodes.Get (1));
+  p2p.Install (nodes.Get (1), nodes.Get (2));
+
+  // Install Ndn stack on all nodes
+  NdnStackHelper ndnHelper;
+  ndnHelper.SetDefaultRoutes (true);
+  ndnHelper.InstallAll ();
+
+  // Installing applications
+
+  // Consumer
+  NdnAppHelper consumerHelper ("ns3::NdnConsumerCbr");
+  // Consumer will request /prefix/0, /prefix/1, ...
+  consumerHelper.SetPrefix ("/prefix");
+  consumerHelper.SetAttribute ("Frequency", StringValue ("10")); // 10 interests a second
+  consumerHelper.Install (nodes.Get (0)); // first node
+
+  // Producer
+  NdnAppHelper producerHelper ("ns3::NdnProducer");
+  // Producer will reply to all requests starting with /prefix
+  producerHelper.SetPrefix ("/prefix");
+  producerHelper.SetAttribute ("PayloadSize", StringValue("1024"));
+  producerHelper.Install (nodes.Get (2)); // last node
+
+  PcapWriter trace ("ndn-simple-trace.pcap");
+  Config::ConnectWithoutContext ("/NodeList/*/$ns3::NdnL3Protocol/FaceList/*/NdnTx",
+				 MakeCallback (&PcapWriter::TracePacket, &trace));
+  
+  Simulator::Stop (Seconds (20.0));
+
+  Simulator::Run ();
+  Simulator::Destroy ();
+
+  return 0;
+}
+
diff --git a/examples/ccnx-grid.cc b/examples/ndn-grid.cc
similarity index 79%
rename from examples/ccnx-grid.cc
rename to examples/ndn-grid.cc
index beb50a9..d037fda 100644
--- a/examples/ccnx-grid.cc
+++ b/examples/ndn-grid.cc
@@ -27,7 +27,7 @@
 
 using namespace ns3;
 
-NS_LOG_COMPONENT_DEFINE ("CcnxGrid");
+NS_LOG_COMPONENT_DEFINE ("NdnGrid");
 
 /**
  * This scenario simulates a grid topology (using PointToPointGrid module)
@@ -42,7 +42,7 @@
  *
  * All links are 1Mbps with propagation 10ms delay. 
  *
- * FIB is populated using CcnxGlobalRoutingHelper.
+ * FIB is populated using NdnGlobalRoutingHelper.
  *
  * Consumer requests data from producer with frequency 10 interests per second
  * (interests contain constantly increasing sequence number).
@@ -54,7 +54,7 @@
  *
  * To run scenario and see what is happening, use the following command:
  *
- *     NS_LOG=CcnxSimple:CcnxConsumer ./waf --run=ccnx-grid
+ *     NS_LOG=NdnSimple:NdnConsumer ./waf --run=ndn-grid
  */
 
 
@@ -78,43 +78,43 @@
   PointToPointGridHelper grid (nGrid, nGrid, p2p);
   grid.BoundingBox(100,100,200,200);
 
-  // Install CCNx stack on all nodes
-  NS_LOG_INFO ("Installing CCNx stack on all nodes");
-  CcnxStackHelper ccnxHelper;
-  ccnxHelper.SetContentStore ("ns3::CcnxContentStoreLru",
+  // Install Ndn stack on all nodes
+  NS_LOG_INFO ("Installing Ndn stack on all nodes");
+  NdnStackHelper ndnHelper;
+  ndnHelper.SetContentStore ("ns3::NdnContentStoreLru",
                               "Size", "10");
-  // ccnxHelper.SetContentStore ("ns3::CcnxContentStoreRandom",
+  // ndnHelper.SetContentStore ("ns3::NdnContentStoreRandom",
   //                             "Size", "10");
-  // ccnxHelper.SetForwardingStrategy ("ns3::ndnSIM::BestRoute");
-  ccnxHelper.InstallAll ();
+  // ndnHelper.SetForwardingStrategy ("ns3::ndnSIM::BestRoute");
+  ndnHelper.InstallAll ();
 
-  CcnxGlobalRoutingHelper ccnxGlobalRoutingHelper;
-  ccnxGlobalRoutingHelper.InstallAll ();
+  NdnGlobalRoutingHelper ndnGlobalRoutingHelper;
+  ndnGlobalRoutingHelper.InstallAll ();
   
   // Getting containers for the consumer/producer
   Ptr<Node> producer = grid.GetNode (nGrid-1, nGrid-1);
   NodeContainer consumerNodes;
   consumerNodes.Add (grid.GetNode (0,0));
   
-  // Install CCNx applications
+  // Install Ndn applications
   NS_LOG_INFO ("Installing Applications");
   std::string prefix = "/prefix";
   
-  CcnxAppHelper consumerHelper ("ns3::CcnxConsumerCbr");
+  NdnAppHelper consumerHelper ("ns3::NdnConsumerCbr");
   consumerHelper.SetPrefix (prefix);
   consumerHelper.SetAttribute ("Frequency", StringValue ("100")); // 10 interests a second
   ApplicationContainer consumers = consumerHelper.Install (consumerNodes);
   
-  CcnxAppHelper producerHelper ("ns3::CcnxProducer");
+  NdnAppHelper producerHelper ("ns3::NdnProducer");
   producerHelper.SetPrefix (prefix);
   producerHelper.SetAttribute ("PayloadSize", StringValue("1024"));
   ApplicationContainer producers = producerHelper.Install (producer);
 
-  // Add /prefix origins to CcnxGlobalRouter
-  ccnxGlobalRoutingHelper.AddOrigins (prefix, producer);
+  // Add /prefix origins to NdnGlobalRouter
+  ndnGlobalRoutingHelper.AddOrigins (prefix, producer);
 
   // Calculate and install FIBs
-  ccnxGlobalRoutingHelper.CalculateRoutes ();
+  ndnGlobalRoutingHelper.CalculateRoutes ();
   
   Simulator::Stop (finishTime);
     
@@ -126,7 +126,7 @@
        node ++)
     {
       std::cout << "Node #" << (*node)->GetId () << std::endl;
-      (*node)->GetObject<CcnxContentStore> ()->Print (std::cout);
+      (*node)->GetObject<NdnContentStore> ()->Print (std::cout);
       std::cout << std::endl;
     }
   
diff --git a/examples/ccnx-simple.cc b/examples/ndn-simple.cc
similarity index 88%
rename from examples/ccnx-simple.cc
rename to examples/ndn-simple.cc
index da8b1f6..84d306b 100644
--- a/examples/ccnx-simple.cc
+++ b/examples/ndn-simple.cc
@@ -44,10 +44,10 @@
  *
  * To run scenario and see what is happening, use the following command:
  *
- *     NS_LOG=CcnxSimple:CcnxConsumer ./waf --run=ccnx-simple
+ *     NS_LOG=NdnSimple:NdnConsumer ./waf --run=ndn-simple
  */
 
-NS_LOG_COMPONENT_DEFINE ("CcnxSimple");
+NS_LOG_COMPONENT_DEFINE ("NdnSimple");
 
 int 
 main (int argc, char *argv[])
@@ -71,14 +71,14 @@
   p2p.Install (nodes.Get (0), nodes.Get (1));
   p2p.Install (nodes.Get (1), nodes.Get (2));
 
-  // Install CCNx stack on all nodes
-  NS_LOG_INFO ("Installing CCNx stack");
-  CcnxStackHelper ccnxHelper;
-  ccnxHelper.SetDefaultRoutes (true);
-  ccnxHelper.InstallAll ();
+  // Install Ndn stack on all nodes
+  NS_LOG_INFO ("Installing Ndn stack");
+  NdnStackHelper ndnHelper;
+  ndnHelper.SetDefaultRoutes (true);
+  ndnHelper.InstallAll ();
 
-  NS_LOG_INFO ("Installing CCNx applications");
-  CcnxAppHelper consumerHelper ("ns3::CcnxConsumerCbr");
+  NS_LOG_INFO ("Installing Ndn applications");
+  NdnAppHelper consumerHelper ("ns3::NdnConsumerCbr");
   // Consumer will request /prefix/0, /prefix/1, ...
   consumerHelper.SetPrefix ("/prefix/0");
   consumerHelper.SetAttribute ("Frequency", StringValue ("1")); // 10 interests a second
@@ -90,7 +90,7 @@
   consumers.Start (Seconds (1));
   consumers.Stop  (Seconds (1.3));
   
-  CcnxAppHelper producerHelper ("ns3::CcnxProducer");
+  NdnAppHelper producerHelper ("ns3::NdnProducer");
   // Producer will reply to all requests starting with /prefix
   producerHelper.SetPrefix ("/prefix");
   producerHelper.SetAttribute ("PayloadSize", StringValue("1024"));
diff --git a/examples/trie.cc b/examples/trie.cc
index 9c9cc3c..4766229 100644
--- a/examples/trie.cc
+++ b/examples/trie.cc
@@ -59,7 +59,7 @@
   args.Parse (argc, argv);
 
   // typedef trie_with_policy<
-  //   ns3::CcnxNameComponents,
+  //   ns3::NdnNameComponents,
   //   smart_pointer_payload_traits<Integer>,
   //   multi_policy_traits<
   //     mpl::vector2<lru_policy_traits,random_policy_traits>
@@ -74,7 +74,7 @@
   
   // // // // x.getTrie ().PrintStat (std::cout);
   
-  // ns3::CcnxNameComponents n1,n2,n3,n4;
+  // ns3::NdnNameComponents n1,n2,n3,n4;
   // // // // n1("a")("b")("c");
   // // // // n2("a")("b")("d");
   // // // // n3("a")("b")("f");
@@ -98,21 +98,21 @@
 
   Ptr<Node> node = CreateObject<Node> ();
   Names::Add ("TestNode", node);
-  Ptr<CcnxApp> app = CreateObject<CcnxApp> ();
+  Ptr<NdnApp> app = CreateObject<NdnApp> ();
   node->AddApplication (app);
   
-  ObjectFactory factory ("ns3::CcnxFib");
+  ObjectFactory factory ("ns3::NdnFib");
   
-  Ptr<CcnxFib> fib = factory.Create<CcnxFib> ();
+  Ptr<NdnFib> fib = factory.Create<NdnFib> ();
   node->AggregateObject (fib);
-  Ptr<CcnxFace> face = CreateObject<CcnxAppFace> (app);
+  Ptr<NdnFace> face = CreateObject<NdnAppFace> (app);
 
-  fib->Add (lexical_cast<CcnxNameComponents> ("/bla"), face, 1);
-  fib->Add (lexical_cast<CcnxNameComponents> ("/bla/1"), face, 1);
-  fib->Add (lexical_cast<CcnxNameComponents> ("/bla/2"), face, 1);
-  fib->Add (lexical_cast<CcnxNameComponents> ("/bla/3"), face, 1);
-  fib->Add (lexical_cast<CcnxNameComponents> ("/bla/1/1"), face, 1);
-  fib->Add (lexical_cast<CcnxNameComponents> ("/bla/1/2"), face, 1);
+  fib->Add (lexical_cast<NdnNameComponents> ("/bla"), face, 1);
+  fib->Add (lexical_cast<NdnNameComponents> ("/bla/1"), face, 1);
+  fib->Add (lexical_cast<NdnNameComponents> ("/bla/2"), face, 1);
+  fib->Add (lexical_cast<NdnNameComponents> ("/bla/3"), face, 1);
+  fib->Add (lexical_cast<NdnNameComponents> ("/bla/1/1"), face, 1);
+  fib->Add (lexical_cast<NdnNameComponents> ("/bla/1/2"), face, 1);
   
   cout << *fib << endl;
 
@@ -124,7 +124,7 @@
   //     std::cout << *item.payload () << " " << std::endl;
   //   }
 
-  // ns3::CcnxNameComponents n4;
+  // ns3::NdnNameComponents n4;
   // n4("a")("c");
     
   // // std::cout << *x->find (n4).get<0> ();
diff --git a/examples/wscript b/examples/wscript
index 7a49ca3..decba8f 100644
--- a/examples/wscript
+++ b/examples/wscript
@@ -1,11 +1,11 @@
 # -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
 
 def build(bld):
-    obj = bld.create_ns3_program('ccnx-simple', ['ndnSIM'])
-    obj.source = 'ccnx-simple.cc'
+    obj = bld.create_ns3_program('ndn-simple', ['ndnSIM'])
+    obj.source = 'ndn-simple.cc'
 
-    obj = bld.create_ns3_program('ccnx-grid', ['ndnSIM', 'point-to-point', 'point-to-point-layout'])
-    obj.source = 'ccnx-grid.cc'
+    obj = bld.create_ns3_program('ndn-grid', ['ndnSIM', 'point-to-point', 'point-to-point-layout'])
+    obj.source = 'ndn-grid.cc'
 
     obj = bld.create_ns3_program('trie', ['ndnSIM'])
     obj.source = 'trie.cc'