%% You should probably cite draft-zzhang-bess-ipvpn-payload-only instead of this I-D.
@techreport{zzhang-pals-pw-for-ip-udp-payload-01,
    number =    {draft-zzhang-pals-pw-for-ip-udp-payload-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-zzhang-pals-pw-for-ip-udp-payload/01/},
    author =    {Zhaohui (Jeffrey) Zhang and Keyur Patel},
    title =     {{PW for IP/UDP Payload without IP/UDP Headers}},
    pagetotal = 5,
    year =      2022,
    month =     mar,
    day =       4,
    abstract =  {This document describes a new flavor of PW to transport IP/UDP payload only, without transporting IP/UDP headers, which are removed by an ingress PE and re-added by an egress PE.},
}