Method and system for network recovery from multiple link failures
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United States of America Patent
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Issued Date -
Jan 15, 2009
app pub date -
Jul 12, 2007
filing date -
Jul 12, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and system for fast and reliable network recovery from multiple link failures that detect the presence of an isolated node or segment in the network and determine whether one of the failed links, flanked by two blocked ports, is restored. Upon determining that at least one remaining link on the network remains in a failed state, a message is transmitted to all network links to indicate that one failed link is restored, and to unblock the ports flanking the restored link. The method and system of the present invention then flush the forwarding tables of all nodes, and network traffic resumes on the new network topology.
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