%% You should probably cite draft-liu-spring-sr-sfc-metadata-01 instead of this revision.
@techreport{liu-spring-sr-sfc-metadata-00,
    number =    {draft-liu-spring-sr-sfc-metadata-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-liu-spring-sr-sfc-metadata/00/},
    author =    {Yao Liu},
    title =     {{Metadata in SR Service Programming Considerations}},
    pagetotal = 7,
    year =      2020,
    month =     mar,
    day =       2,
    abstract =  {This document discusses different ways to carry metadata in SR service programming data plane.},
}