@techreport{zhl-mpls-tp-sd-03,
    number =    {draft-zhl-mpls-tp-sd-03},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-zhl-mpls-tp-sd/03/},
    author =    {Zhang Haiyan and He Jia and Han Li},
    title =     {{SD-Triggered Protection Switching in MPLS-TP}},
    pagetotal = 10,
    year =      2010,
    month =     oct,
    day =       25,
    abstract =  {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.},
}