%% You should probably cite draft-ietf-intarea-tunnels-13 instead of this revision.
@techreport{ietf-intarea-tunnels-00,
    number =    {draft-ietf-intarea-tunnels-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-ietf-intarea-tunnels/00/},
    author =    {Dr. Joseph D. Touch and Mark Townsley},
    title =     {{Tunnels in the Internet Architecture}},
    pagetotal = 22,
    year =      2010,
    month =     mar,
    day =       26,
    abstract =  {This document discusses the role of tunnels in the Internet architecture. It explains their relationship to existing protocol layers, and the challenges in supporting tunneling.},
}