XBT_PUBLIC_DATA(xbt_lib_t) storage_lib;
XBT_PUBLIC_DATA(int) ROUTING_STORAGE_LEVEL; //Routing storage level
-XBT_PUBLIC_DATA(int) ROUTING_STORAGE_HOST_LEVEL;
XBT_PUBLIC_DATA(int) SURF_STORAGE_LEVEL; // Surf storage level
XBT_PUBLIC_DATA(xbt_lib_t) file_lib;
XBT_PUBLIC_DATA(xbt_lib_t) storage_type_lib;