%% You should probably cite draft-ietf-tcpm-accurate-ecn instead of this I-D.
@techreport{kuehlewind-tcpm-accurate-ecn-00,
    number =    {draft-kuehlewind-tcpm-accurate-ecn-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-kuehlewind-tcpm-accurate-ecn/00/},
    author =    {Mirja Kühlewind and Richard Scheffenegger},
    title =     {{Accurate ECN Feedback in TCP}},
    pagetotal = 23,
    year =      2011,
    month =     dec,
    day =       21,
    abstract =  {Explicit Congestion Notification (ECN) is an IP/TCP mechanism where network nodes can mark IP packets instead of dropping them to indicate congestion to the end-points. An ECN-capable receiver will feedback this information to the sender. ECN is specified for TCP in such a way that only one feedback signal can be transmitted per Round-Trip Time (RTT). Recently new TCP mechanisms like ConEx or DCTCP need more accurate feedback information in the case where more than one marking is received in one RTT.},
}