xbt_assert(surf_network_model, "No network model defined yet!");
surf_workstation_model_init_internal();
xbt_dynar_push(model_list, &surf_workstation_model);
xbt_assert(surf_network_model, "No network model defined yet!");
surf_workstation_model_init_internal();
xbt_dynar_push(model_list, &surf_workstation_model);