%% You should probably cite rfc8921 instead of this I-D.
@techreport{boucadair-connectivity-provisioning-protocol-20,
    number =    {draft-boucadair-connectivity-provisioning-protocol-20},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-boucadair-connectivity-provisioning-protocol/20/},
    author =    {Mohamed Boucadair and Christian Jacquenet and Dacheng Zhang and Panos Georgatsos},
    title =     {{Dynamic Service Negotiation}},
    pagetotal = 61,
    year =      2020,
    month =     mar,
    day =       24,
    abstract =  {This document specifies the Connectivity Provisioning Negotiation Protocol (CPNP) which is designed to facilitate the dynamic negotiation of service parameters. CPNP is a generic protocol that can be used for various negotiation purposes that include (but are not necessarily limited to) connectivity provisioning services, storage facilities, Content Delivery Networks, etc.},
}