%% You should probably cite draft-merged-sfc-architecture instead of this I-D.
@techreport{quinn-sfc-arch-00,
    number =    {draft-quinn-sfc-arch-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-quinn-sfc-arch/00/},
    author =    {Paul Quinn and Jim Guichard and Surendra Kumar and Carlos Pignataro and Nicolai Leymann and Michael Smith and Navindra Yadav and Ken Gray and Thomas Nadeau},
    title =     {{Service Function Chaining (SFC) Architecture}},
    pagetotal = 20,
    year =      2013,
    month =     oct,
    day =       4,
    abstract =  {This document describes an architecture for the creation of Service Function Chains. It includes architectural concepts, principles, and components used for the application of services in a network. This document does not propose solutions or protocols.},
}