Method and system for protecting a sub-domain within a broadcast domain
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United States of America Patent
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Issued Date -
Nov 22, 2007
app pub date -
Oct 11, 2006
filing date -
May 22, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and system for protecting a service available on a broadcast domain. A sub-domain is established within the broadcast domain. The sub-domain includes a group of nodes used to provide a communication path to the service. A primary sub-domain maintenance association and a back-up sub-domain maintenance association are monitored. The primary and sub-domain maintenance associations are a set of primary and back-up paths, respectively, representing connectivity between nodes acting as edge nodes in the sub-domain. A fault is detected within the primary sub-domain maintenance association and a switch to the back-up sub-domain maintenance association occurs.
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