A fault isolation system in a network is disclosed, particularly suited for use in a unidirectional fibre channel arbitrated loop. Information relating to read and write errors occurring on the loop is stored, and fault regions are located by determining areas on the loop downstream of write errors and...http://www.google.co.uk/patents/US6990609?utm_source=gb-gplus-sharePatent US6990609 - System and method for isolating faults in a network
