%% You should probably cite draft-bonica-6man-vpn-dest-opt-21 instead of this revision.
@techreport{bonica-6man-vpn-dest-opt-19,
    number =    {draft-bonica-6man-vpn-dest-opt-19},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-bonica-6man-vpn-dest-opt/19/},
    author =    {Ron Bonica and Yuji Kamite and Luay Jalil and Yifeng Zhou and Gang Chen},
    title =     {{The IPv6 Tunnel Payload Forwarding (TPF) Option}},
    pagetotal = 9,
    year =      2023,
    month =     jan,
    day =       25,
    abstract =  {This document explains how IPv6 options can be used in IPv6 tunnels. It also defines the IPv6 Tunnel Payload Forwarding (TPF) option.},
}