xbt_assert(src_as, "Host %s must be in a netzone", src->get_cname());
xbt_assert(dst_as, "Host %s must be in a netzone", dst->get_cname());
/* (2) find the path to the root routing component */
std::vector<NetZoneImpl*> path_src;
xbt_assert(src_as, "Host %s must be in a netzone", src->get_cname());
xbt_assert(dst_as, "Host %s must be in a netzone", dst->get_cname());
/* (2) find the path to the root routing component */
std::vector<NetZoneImpl*> path_src;