-XBT_PUBLIC void ns3_add_link(NetPointNs3* src, NetPointNs3* dst, double bw, double lat);
-XBT_PUBLIC void ns3_add_cluster(const char* id, double bw, double lat);
+XBT_PUBLIC void ns3_add_direct_route(NetPointNs3* src, NetPointNs3* dst, double bw, double lat,
+ simgrid::s4u::Link::SharingPolicy policy);