current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::recursive;
/* add to the sons dictionary */
xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, NULL);
current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::recursive;
/* add to the sons dictionary */
xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, NULL);