%% You should probably cite draft-sfc-serviceid-header instead of this I-D.
@techreport{sarikaya-sfc-hostid-serviceheader-01,
    number =    {draft-sarikaya-sfc-hostid-serviceheader-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-sarikaya-sfc-hostid-serviceheader/01/},
    author =    {Behcet Sarikaya and Dirk Von Hugo and Mohamed Boucadair},
    title =     {{Service Function Chaining (SFC): Subscriber and Host Identification Considerations}},
    pagetotal = 10,
    year =      2016,
    month =     mar,
    day =       21,
    abstract =  {This document discusses considerations related to passing host- and subscriber-related information to upstream Service Functions for the sake of policy enforcement and appropriate SFC-inferred forwarding. Once the information is consumed by SFC-aware functional elements, the information is stripped from packets so that privacy-sensitive information is not leaked outside an SFC-enabled domain.},
}