@misc{rfc6888,
    series =    {Request for Comments},
    number =    6888,
    howpublished =  {RFC 6888},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC6888},
    url =       {https://www.rfc-editor.org/info/rfc6888},
    author =    {Simon Perreault and Ikuhei Yamagata and Shin Miyakawa and Akira Nakagawa and Hiroyuki Ashida},
    title =     {{Common Requirements for Carrier-Grade NATs (CGNs)}},
    pagetotal = 15,
    year =      2013,
    month =     apr,
    abstract =  {This document defines common requirements for Carrier-Grade NATs (CGNs). It updates RFC 4787.},
}