%% You should probably cite draft-ietf-core-coap-pm instead of this I-D.
@techreport{fz-core-coap-pm-04,
    number =    {draft-fz-core-coap-pm-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-fz-core-coap-pm/04/},
    author =    {Giuseppe Fioccola and Tianran Zhou and Mauro Cociglio and Fabio Bulgarella and Massimo Nilo and Fabrizio Milan},
    title =     {{Constrained Application Protocol (CoAP) Performance Measurement Option}},
    pagetotal = 16,
    year =      2023,
    month =     mar,
    day =       13,
    abstract =  {This document specifies a method for the Performance Measurement of the Constrained Application Protocol (CoAP). A new CoAP option is defined in order to enable network telemetry both end-to-end and hop- by-hop. The endpoints cooperate by marking and, possibly, mirroring information on the round-trip connection.},
}