An object-oriented, hierarchical model of a computer network layered communications subsystem is implemented in a configuration database subsystem to create and maintain a configuration database and to provide configuration data to the layered communications subsystem. The layered communications subsystem...http://www.google.co.uk/patents/US5414812?utm_source=gb-gplus-sharePatent US5414812 - System for using object-oriented hierarchical representation to implement a configuration database for a layered computer network communications subsystem