%% You should probably cite draft-ietf-core-coap-pubsub-21 instead of this revision.
@techreport{ietf-core-coap-pubsub-12,
    number =    {draft-ietf-core-coap-pubsub-12},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-core-coap-pubsub/12/},
    author =    {Michael Koster and Ari Keränen and Jaime Jimenez},
    title =     {{A publish-subscribe architecture for the Constrained Application Protocol (CoAP)}},
    pagetotal = 25,
    year =      2023,
    month =     mar,
    day =       13,
    abstract =  {This document describes a publish-subscribe architecture for CoAP that extends the capabilities of CoAP for supporting nodes with long breaks in connectivity and/or up-time. The Constrained Application Protocol (CoAP) is used by CoAP clients both to publish and to subscribe via a known topic resource.},
}