for (int i : *cluster->radicals) {
char* router_id = bprintf("router_%s%d%s", cluster->prefix, i, cluster->suffix);
- simgrid::s4u::Host* router = simgrid::s4u::Host::by_name_or_create(router_id);
+ simgrid::s4u::Host* router = new simgrid::s4u::Host(router_id);
ns3_add_host(*router);
// Create private link