SD-Triggered Protection Switching in MPLS-TP

Document Type Expired Internet-Draft (individual)
Authors Zhang Haiyan  , He Jia  , Han Li 
Last updated 2010-10-25
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


In MPLS-TP survivability framework, a fault condition includes both Signal Failure (SF) and Signal Degrade (SD) that can be used to trigger protection switching. This document describes Signal Degrade (SD) detection and the consequent protection switching mechanism.


Zhang Haiyan (
He Jia (
Han Li (

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