-#ifdef _NS3_3_10
- /*NS3 3.10*/
- #include "ns3/helper-module.h"
- #include "ns3/simulator-module.h"
- #include "ns3/node-module.h"
- #include "ns3/helper-module.h"
- #include "ns3/global-routing-module.h"
- #include "ns3/tcp-socket-factory.h"
-#else
- /*NS3 3.12*/
- #include "ns3/node.h"
- #include "ns3/global-route-manager.h"
- #include "ns3/csma-helper.h"
- #include "ns3/internet-stack-helper.h"
- #include "ns3/ipv4-address-helper.h"
- #include "ns3/point-to-point-helper.h"
- #include "ns3/packet-sink-helper.h"
- #include "ns3/inet-socket-address.h"
- #include "ns3/tcp-socket-factory.h"
-#endif
-
-using namespace ns3;
-using namespace std;
+#include <ns3/csma-helper.h>
+#include <ns3/global-route-manager.h>
+#include <ns3/internet-stack-helper.h>
+#include <ns3/ipv4-address-helper.h>
+#include <ns3/packet-sink-helper.h>
+#include <ns3/point-to-point-helper.h>
+#include <ns3/tcp-socket-factory.h>