diff --git a/examples/ndn-congestion-alt-topo-plugin.cpp b/examples/ndn-congestion-alt-topo-plugin.cpp
index b591250..9491be4 100644
--- a/examples/ndn-congestion-alt-topo-plugin.cpp
+++ b/examples/ndn-congestion-alt-topo-plugin.cpp
@@ -31,25 +31,25 @@
  *   /------\ 0                                                 0 /------\
  *   |  c1  |<-----+                                       +----->|  p1  |
  *   \------/       \                                     /       \------/
- *                   \              /-----\              /        
+ *                   \              /-----\              /
  *   /------\ 0       \         +==>| r12 |<==+         /       0 /------\
  *   |  c2  |<--+      \       /    \-----/    \       /      +-->|  p2  |
  *   \------/    \      \     |                 |     /      /    \------/
- *                \      |    |   1Mbps links   |    |      /     
- *                 \  1  v0   v5               1v   2v  3  /      
- *                  +->/------\                 /------\<-+       
- *                    2|  r1  |<===============>|  r2  |4         
- *                  +->\------/4               0\------/<-+       
- *                 /    3^                           ^5    \      
- *                /      |                           |      \     
+ *                \      |    |   1Mbps links   |    |      /
+ *                 \  1  v0   v5               1v   2v  3  /
+ *                  +->/------\                 /------\<-+
+ *                    2|  r1  |<===============>|  r2  |4
+ *                  +->\------/4               0\------/<-+
+ *                 /    3^                           ^5    \
+ *                /      |                           |      \
  *   /------\ 0  /      /                             \      \  0 /------\
  *   |  c3  |<--+      /                               \      +-->|  p3  |
  *   \------/         /                                 \         \------/
- *                   /     "All consumer-router and"     \        
+ *                   /     "All consumer-router and"     \
  *   /------\ 0     /      "router-producer links are"    \    0 /------\
  *   |  c4  |<-----+       "10Mbps"                        +---->|  p4  |
  *   \------/                                                    \------/
- *                                                               
+ *
  *   "Numbers near nodes denote face IDs. Face ID is assigned based on the order of link"
  *   "definitions in the topology file"
  *
@@ -59,81 +59,81 @@
  */
 
 int
-main (int argc, char *argv[])
+main(int argc, char* argv[])
 {
   CommandLine cmd;
-  cmd.Parse (argc, argv);
+  cmd.Parse(argc, argv);
 
-  AnnotatedTopologyReader topologyReader ("", 1);
-  topologyReader.SetFileName ("src/ndnSIM/examples/topologies/topo-11-node-two-bottlenecks.txt");
-  topologyReader.Read ();
+  AnnotatedTopologyReader topologyReader("", 1);
+  topologyReader.SetFileName("src/ndnSIM/examples/topologies/topo-11-node-two-bottlenecks.txt");
+  topologyReader.Read();
 
   // Install NDN stack on all nodes
   ndn::StackHelper ndnHelper;
-  ndnHelper.SetForwardingStrategy ("ns3::ndn::fw::CustomStrategy");
-  ndnHelper.SetContentStore ("ns3::ndn::cs::Lru",
-                              "MaxSize", "1"); // ! Attention ! If set to 0, then MaxSize is infinite
-  ndnHelper.InstallAll ();
+  ndnHelper.SetForwardingStrategy("ns3::ndn::fw::CustomStrategy");
+  ndnHelper.SetContentStore("ns3::ndn::cs::Lru", "MaxSize",
+                            "1"); // ! Attention ! If set to 0, then MaxSize is infinite
+  ndnHelper.InstallAll();
 
   // Getting containers for the consumer/producer
-  Ptr<Node> consumers[4] = { Names::Find<Node> ("c1"), Names::Find<Node> ("c2"), Names::Find<Node> ("c3"), Names::Find<Node> ("c4") };
-  Ptr<Node> producers[4] = { Names::Find<Node> ("p1"), Names::Find<Node> ("p2"), Names::Find<Node> ("p3"), Names::Find<Node> ("p4") };
+  Ptr<Node> consumers[4] = {Names::Find<Node>("c1"), Names::Find<Node>("c2"),
+                            Names::Find<Node>("c3"), Names::Find<Node>("c4")};
+  Ptr<Node> producers[4] = {Names::Find<Node>("p1"), Names::Find<Node>("p2"),
+                            Names::Find<Node>("p3"), Names::Find<Node>("p4")};
 
-  if (consumers[0] == 0 || consumers[1] == 0 || consumers[2] == 0 || consumers[3] == 0 ||
-      producers[0] == 0 || producers[1] == 0 || producers[2] == 0 || producers[3] == 0)
-    {
-      NS_FATAL_ERROR ("Error in topology: one nodes c1, c2, c3, c4, p1, p2, p3, or p4 is missing");
-    }
+  if (consumers[0] == 0 || consumers[1] == 0 || consumers[2] == 0 || consumers[3] == 0
+      || producers[0] == 0 || producers[1] == 0 || producers[2] == 0 || producers[3] == 0) {
+    NS_FATAL_ERROR("Error in topology: one nodes c1, c2, c3, c4, p1, p2, p3, or p4 is missing");
+  }
 
-  for (int i = 0; i < 4; i++)
-    {
-      std::string prefix = "/data/"+Names::FindName (producers[i]);
-      
-      /////////////////////////////////////////////////////////////////////////////////
-      // install consumer app on consumer node c_i to request data from producer p_i //
-      /////////////////////////////////////////////////////////////////////////////////
+  for (int i = 0; i < 4; i++) {
+    std::string prefix = "/data/" + Names::FindName(producers[i]);
 
-      ndn::AppHelper consumerHelper ("ns3::ndn::ConsumerCbr");
-      consumerHelper.SetAttribute ("Frequency", StringValue ("10")); // 100 interests a second
-      
-      consumerHelper.SetPrefix (prefix);
-      ApplicationContainer consumer = consumerHelper.Install (consumers[i]);
-      consumer.Start (Seconds (i));    // start consumers at 0s, 1s, 2s, 3s
-      consumer.Stop  (Seconds (19-i)); // stop consumers at 19s, 18s, 17s, 16s
-      
-      ///////////////////////////////////////////////
-      // install producer app on producer node p_i //
-      ///////////////////////////////////////////////
-            
-      ndn::AppHelper producerHelper ("ns3::ndn::Producer");
-      producerHelper.SetAttribute ("PayloadSize", StringValue("1024"));  
+    /////////////////////////////////////////////////////////////////////////////////
+    // install consumer app on consumer node c_i to request data from producer p_i //
+    /////////////////////////////////////////////////////////////////////////////////
 
-      // install producer that will satisfy Interests in /dst1 namespace
-      producerHelper.SetPrefix (prefix);
-      ApplicationContainer producer = producerHelper.Install (producers[i]);
-      // when Start/Stop time is not specified, the application is running throughout the simulation
-    }
+    ndn::AppHelper consumerHelper("ns3::ndn::ConsumerCbr");
+    consumerHelper.SetAttribute("Frequency", StringValue("10")); // 100 interests a second
+
+    consumerHelper.SetPrefix(prefix);
+    ApplicationContainer consumer = consumerHelper.Install(consumers[i]);
+    consumer.Start(Seconds(i));     // start consumers at 0s, 1s, 2s, 3s
+    consumer.Stop(Seconds(19 - i)); // stop consumers at 19s, 18s, 17s, 16s
+
+    ///////////////////////////////////////////////
+    // install producer app on producer node p_i //
+    ///////////////////////////////////////////////
+
+    ndn::AppHelper producerHelper("ns3::ndn::Producer");
+    producerHelper.SetAttribute("PayloadSize", StringValue("1024"));
+
+    // install producer that will satisfy Interests in /dst1 namespace
+    producerHelper.SetPrefix(prefix);
+    ApplicationContainer producer = producerHelper.Install(producers[i]);
+    // when Start/Stop time is not specified, the application is running throughout the simulation
+  }
 
   // Manually configure FIB routes
-  ndn::StackHelper::AddRoute	("c1", "/data", "n1", 1); // link to n1
-  ndn::StackHelper::AddRoute	("c2", "/data", "n1", 1); // link to n1
-  ndn::StackHelper::AddRoute	("c3", "/data", "n1", 1); // link to n1
-  ndn::StackHelper::AddRoute	("c4", "/data", "n1", 1); // link to n1
+  ndn::StackHelper::AddRoute("c1", "/data", "n1", 1); // link to n1
+  ndn::StackHelper::AddRoute("c2", "/data", "n1", 1); // link to n1
+  ndn::StackHelper::AddRoute("c3", "/data", "n1", 1); // link to n1
+  ndn::StackHelper::AddRoute("c4", "/data", "n1", 1); // link to n1
 
-  ndn::StackHelper::AddRoute	("n1", "/data", "n2", 1); // link to n2
-  ndn::StackHelper::AddRoute	("n1", "/data", "n12", 2); // link to n12
+  ndn::StackHelper::AddRoute("n1", "/data", "n2", 1);  // link to n2
+  ndn::StackHelper::AddRoute("n1", "/data", "n12", 2); // link to n12
 
-  ndn::StackHelper::AddRoute	("n12", "/data", "n2", 1); // link to n2
+  ndn::StackHelper::AddRoute("n12", "/data", "n2", 1); // link to n2
 
-  ndn::StackHelper::AddRoute	("n2", "/data/p1", "p1", 1); // link to p1
-  ndn::StackHelper::AddRoute	("n2", "/data/p2", "p2", 1); // link to p2
-  ndn::StackHelper::AddRoute	("n2", "/data/p3", "p3", 1); // link to p3
-  ndn::StackHelper::AddRoute	("n2", "/data/p4", "p4", 1); // link to p4
+  ndn::StackHelper::AddRoute("n2", "/data/p1", "p1", 1); // link to p1
+  ndn::StackHelper::AddRoute("n2", "/data/p2", "p2", 1); // link to p2
+  ndn::StackHelper::AddRoute("n2", "/data/p3", "p3", 1); // link to p3
+  ndn::StackHelper::AddRoute("n2", "/data/p4", "p4", 1); // link to p4
 
   // Schedule simulation time and run the simulation
-  Simulator::Stop (Seconds (20.0));
-  Simulator::Run ();
-  Simulator::Destroy ();
+  Simulator::Stop(Seconds(20.0));
+  Simulator::Run();
+  Simulator::Destroy();
 
   return 0;
 }