%% You should probably cite draft-ietf-pcn-architecture instead of this I-D.
@techreport{eardley-pcn-architecture-00,
    number =    {draft-eardley-pcn-architecture-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-eardley-pcn-architecture/00/},
    author =    {Philip Eardley},
    title =     {{Pre-Congestion Notification Architecture}},
    pagetotal = 27,
    year =      2007,
    month =     jun,
    day =       21,
    abstract =  {The purpose of this document is to describe a general architecture for flow admission and termination based on aggregated (pre-) congestion information in order to protect the quality of service of established inelastic flows within a single DiffServ domain.},
}