Patent ID: 8873379
Filing Date: 2014-10-28
Classification: A61B,H04L,H04W

Abstract:
1. A method for a first router, the method comprising: determining, using a processor, whether a sequence number included in a first reroute request received from a second router is newer than a stored sequence number associated with the second router, the first reroute request including network failure information identifying a cause of a failure of a first route, the sequence number being incremented for each new reroute request sent from the second router; and selecting, using the processor, a second route from a plurality of routes to carry data in place of the first route if the sequence number included in the first reroute request is determined to be newer than the stored sequence number but not if the sequence number included in the first reroute request is determined to be older than the stored sequence number, the plurality of routes being stored in a routing table, the second route being different from the first route.