+void routing_cluster_add_backbone(void* bb) {
+ xbt_assert(current_routing->model_desc == &routing_models[SURF_MODEL_CLUSTER],
+ "You have to be in model Cluster to use tag backbone!");
+ xbt_assert(!((as_cluster_t)current_routing)->backbone,"The backbone link is already defined!");
+ ((as_cluster_t)current_routing)->backbone = bb;
+ XBT_DEBUG("Add a backbone to AS '%s'",current_routing->name);
+}
+