routing_platf->getRouteAndLatency(dst, src, &back_route, NULL);
xbt_dynar_foreach(back_route, i, _link) {
link = static_cast<NetworkCm02Link*>(_link);
routing_platf->getRouteAndLatency(dst, src, &back_route, NULL);
xbt_dynar_foreach(back_route, i, _link) {
link = static_cast<NetworkCm02Link*>(_link);