METHOD AND SYSTEM FOR RING TOPOLOGY DISCOVERY AND FORWARDING DATABASE FLUSH NULLIFICATION
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United States of America Patent
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app pub date -
Oct 20, 2009
filing date -
Dec 31, 2008
priority date (Note) -
Abandoned
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Abstract
A method and system for rerouting data in a communication network ring. The ring includes a plurality of nodes and a plurality of links. Each node includes a first port and a second port. Each first port is connected to a neighboring second port through a link of the plurality of links. The topology of the communication network ring is discovered and a forwarding database table is populated with static entries according to the discovered topology. Upon receiving notice of a failed link, which includes a source address of a node adjacent to the failed link, the topology and the source address of the node adjacent to the failed link is used to reconfigure the forwarding database table. Data is forwarded using the reconfigured forwarding database table without flooding the ring.
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