+
+ /**
+ * @brief Callback used to set the NetZone located at some leaf of clusters (Torus, FatTree, etc)
+ *
+ * @param zone: The parent zone, needed for creating new resources (hosts, links)
+ * @param coord: the coordinates of the element
+ * @param id: Internal identifier of the element
+ * @return NetZone*: returns newly created netzone
+ */
+ using ClusterNetZoneCb = NetZone*(NetZone* zone, const std::vector<unsigned long>& coord, unsigned long id);
+ /**
+ * @brief Callback used to set the Host located at some leaf of clusters (Torus, FatTree, etc)
+ *
+ * @param zone: The parent zone, needed for creating new resources (hosts, links)
+ * @param coord: the coordinates of the element
+ * @param id: Internal identifier of the element
+ * @return Host*: returns newly created host
+ */
+ using ClusterHostCb = Host*(NetZone* zone, const std::vector<unsigned long>& coord, unsigned long id);
+