METHOD AND SYSTEM FOR DYNAMIC LINK FAILOVER MANAGEMENT
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United States of America Patent
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Issued Date -
Oct 1, 2009
app pub date -
Feb 2, 2009
filing date -
Feb 1, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention is directed to a method and system for providing redundancy and resiliency features to network devices, such as switches and routers, that do not have built-in redundancy and resiliency features. Health-check messages are periodically transmitted over a first link that transmits network data. Upon detecting a failure of the first link, transmission of network data is switched to a second redundant link, while health check messages continue to be periodically transmitted over the first link. Upon detecting that the first link has been restored, transmission of network data is switched to the first link.
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