A system and method are disclosed for generating a submap for nodes located within a flat network without reproducing the entire flat network in the submap. One method for implementing a flat network in a hierarchical network management system includes the steps of selecting a node of the flat network...http://www.google.com.au/patents/US5966128?utm_source=gb-gplus-sharePatent US5966128 - Implementation of flat networks in hierarchical network management systems