%% You should probably cite draft-merged-sfc-architecture instead of this I-D.
@techreport{quinn-sfc-arch-04,
    number =    {draft-quinn-sfc-arch-04},
    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/04/},
    author =    {Paul Quinn and Andre Beliveau},
    title =     {{Service Function Chaining (SFC) Architecture}},
    pagetotal = 21,
    year =      2014,
    month =     jan,
    day =       29,
    abstract =  {This document describes an architecture used for the creation of Service Function Chains (SFC). It includes architectural concepts, principles, and components used in the construction of composite services through deployment of SFCs in a network. This document does not propose solutions, protocols, or extensions to existing protocols.},
}