@misc{rfc7225,
    series =    {Request for Comments},
    number =    7225,
    howpublished =  {RFC 7225},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC7225},
    url =       {https://www.rfc-editor.org/info/rfc7225},
    author =    {Mohamed Boucadair},
    title =     {{Discovering NAT64 IPv6 Prefixes Using the Port Control Protocol (PCP)}},
    pagetotal = 17,
    year =      2014,
    month =     may,
    abstract =  {This document defines a new Port Control Protocol (PCP) option to learn the IPv6 prefix(es) used by a PCP-controlled NAT64 device to build IPv4-converted IPv6 addresses. This option is needed for successful communications when IPv4 addresses are used in referrals.},
}