Method and apparatus for protection switching based on memory control in packet transport system
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United States of America Patent
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Apr 11, 2017
Grant Date -
Sep 24, 2015
app pub date -
Mar 13, 2015
filing date -
Mar 21, 2014
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Abstract
A protection switching method and apparatus based on a memory control in a packet transport system are provided. The protection switching method may perform hardware-based protection switching based on a type of path failures that occur. The protection switching method may perform protection switching for each of an Automatic Protection Switching (APS) frame or a Loss of Continuity (LoC)/Clear Loss of Continuity (CLoC) message received via an interface unit from a packet processor, a LoC/CLoC message received via a local bus interface from a host processor, an APS frame generation command input via the local bus interface from protection software (SW) of the host processor, and an APS frame generation command input via another interface unit from the protection SW.
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