workstation->generic_resource.name = xbt_strdup(host->id);
workstation->cpu = xbt_lib_get_or_null(host_lib, host->id, SURF_CPU_LEVEL);
workstation->storage = xbt_lib_get_or_null(storage_lib,host->id,ROUTING_STORAGE_HOST_LEVEL);
workstation->generic_resource.name = xbt_strdup(host->id);
workstation->cpu = xbt_lib_get_or_null(host_lib, host->id, SURF_CPU_LEVEL);
workstation->storage = xbt_lib_get_or_null(storage_lib,host->id,ROUTING_STORAGE_HOST_LEVEL);