%% You should probably cite rfc8300 instead of this I-D.
@techreport{ietf-sfc-nsh-01,
    number =    {draft-ietf-sfc-nsh-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-sfc-nsh/01/},
    author =    {Paul Quinn and Uri Elzur},
    title =     {{Network Service Header}},
    pagetotal = 43,
    year =      2015,
    month =     jul,
    day =       23,
    abstract =  {This draft describes a Network Service Header (NSH) inserted onto encapsulated packets or frames to realize service function paths. NSH also provides a mechanism for metadata exchange along the instantiated service path. NSH is the SFC encapsulation as per SFC Architecture {[}SFC-arch{]}},
}