%% You should probably cite draft-ietf-sfc-nsh-dc-allocation instead of this I-D.
@techreport{guichard-sfc-nsh-dc-allocation-07,
    number =    {draft-guichard-sfc-nsh-dc-allocation-07},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-guichard-sfc-nsh-dc-allocation/07/},
    author =    {Jim Guichard and Michael Smith and Surendra Kumar and Sumandra Majee and Puneet Agarwal and Kevin Glavin and Youcef Laribi and Tal Mizrahi},
    title =     {{Network Service Header (NSH) MD Type 1: Context Header Allocation (Data Center)}},
    pagetotal = 9,
    year =      2017,
    month =     aug,
    day =       18,
    abstract =  {This document provides a recommended default allocation for the Network Service Header (NSH) MD Type 1 fixed length context header when NSH is used for Service Function Chaining within a data center.},
}