In order to monitor the status of a system in the form of a communications network, such as a computer local area network (LAN) 10 or an SS7 telecommunications signalling network, measurements are made of various operating parameters for each domain (S1 . . . S14) or segment of the network. The measurements...http://www.google.com/patents/US5621664?utm_source=gb-gplus-sharePatent US5621664 - Monitoring system status
