%% You should probably cite draft-ietf-6man-ipv6-alt-mark instead of this I-D.
@techreport{fz-6man-ipv6-alt-mark-09,
    number =    {draft-fz-6man-ipv6-alt-mark-09},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-fz-6man-ipv6-alt-mark/09/},
    author =    {Giuseppe Fioccola and Tianran Zhou and Mauro Cociglio and Fengwei Qin},
    title =     {{IPv6 Application of the Alternate Marking Method}},
    pagetotal = 13,
    year =      2020,
    month =     may,
    day =       4,
    abstract =  {This document describes how the Alternate Marking Method can be used as the passive performance measurement tool in an IPv6 domain and reports implementation considerations. It proposes how to define a new Extension Header Option to encode alternate marking technique and both Hop-by-Hop Options Header and Destination Options Header are considered.},
}