sg_platf_router_cb_list = xbt_dynar_new(sizeof(sg_platf_host_cb_t), NULL);
sg_platf_link_cb_list = xbt_dynar_new(sizeof(sg_platf_host_cb_t), NULL);
sg_platf_peer_cb_list = xbt_dynar_new(sizeof(sg_platf_peer_cb_t), NULL);
sg_platf_router_cb_list = xbt_dynar_new(sizeof(sg_platf_host_cb_t), NULL);
sg_platf_link_cb_list = xbt_dynar_new(sizeof(sg_platf_host_cb_t), NULL);
sg_platf_peer_cb_list = xbt_dynar_new(sizeof(sg_platf_peer_cb_t), NULL);