%% You should probably cite rfc9170 instead of this I-D.
@techreport{iab-use-it-or-lose-it-04,
    number =    {draft-iab-use-it-or-lose-it-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-iab-use-it-or-lose-it/04/},
    author =    {Martin Thomson and Tommy Pauly},
    title =     {{Long-Term Viability of Protocol Extension Mechanisms}},
    pagetotal = 17,
    year =      2021,
    month =     oct,
    day =       12,
    abstract =  {The ability to change protocols depends on exercising the extension and version-negotiation mechanisms that support change. This document explores how regular use of new protocol features can ensure that it remains possible to deploy changes to a protocol. Examples are given where lack of use caused changes to be more difficult or costly.},
}