+void StartFlow(ns3::Ptr<ns3::Socket> sock, const char* to, uint16_t port_number);
+
+static inline const char* transformSocketPtr(ns3::Ptr<ns3::Socket> localSocket)
+{
+ static char key[24];
+ std::stringstream sstream;
+ sstream << localSocket;
+ snprintf(key, 24, "%s", sstream.str().c_str());
+
+ return key;
+}