extern int COORD_ASR_LEVEL; //Coordinates level
extern int NS3_ASR_LEVEL; //host node for ns3
+extern xbt_lib_t storage_lib;
+extern int ROUTING_STORAGE_LEVEL; //Routing level
+extern int SURF_STORAGE_LEVEL; //Surf level
+
+/* The callbacks to register for the routing to work */
+void routing_AS_begin(const char *AS_id, const char *wanted_routing_type);
+void routing_AS_end(void);
+
#endif /* _SURF_SURF_H */