%% You should probably cite rfc8921 instead of this I-D.
@techreport{boucadair-connectivity-provisioning-protocol-00,
    number =    {draft-boucadair-connectivity-provisioning-protocol-00},
    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/00/},
    author =    {Mohamed Boucadair and Christian Jacquenet},
    title =     {{Connectivity Provisioning Negotiation Protocol (CPNP)}},
    pagetotal = 34,
    year =      2013,
    month =     may,
    day =       29,
    abstract =  {This document specifies the Connectivity Provisioning Negotiation Protocol (CPNP) which is used to facilitate the dynamic negotiation of connectivity provisioning parameters between a Customer and a Provider.},
}