Method and apparatus for implementing automatic protection switching functionality in a distributed processor data router
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United States of America Patent
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Jul 10, 2012
Grant Date -
May 6, 2010
app pub date -
Jan 11, 2010
filing date -
Feb 25, 2002
priority date (Note) -
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Abstract
An automated-protection-switching (APS) software suite for distribution over multiple processors of a distributed processor router has an APS server module running on a first one of the multiple processors for managing communication and distributing configuration and state information and APS client modules running on second ones of the multiple processors, the APS client modules for monitoring interface state information, reporting to the APS server application, and for negotiating with other APS client modules. The software is characterized in that APS interface relocation from a primary interface to a backup interface is performed through direct communication between the APS client modules running on the processors supporting the involved interfaces.
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