%% You should probably cite draft-tsou-pcp-natcoord-10 instead of this revision.
@techreport{tsou-pcp-natcoord-09,
    number =    {draft-tsou-pcp-natcoord-09},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-tsou-pcp-natcoord/09/},
    author =    {Qiong Sun and Mohamed Boucadair and Xiaohong Deng and Cathy Zhou and Tina Tsou (Ting ZOU) and Simon Perreault},
    title =     {{Using PCP To Coordinate Between the CGN and Home Gateway}},
    pagetotal = 14,
    year =      2012,
    month =     nov,
    day =       7,
    abstract =  {This document defines an extension to the base PCP. New OpCode is defined to enhance PCP with the ability to reserve port sets for internal hosts.},
}