%% You should probably cite rfc7445 instead of this I-D.
@techreport{ietf-v6ops-ipv6-roaming-analysis-04,
    number =    {draft-ietf-v6ops-ipv6-roaming-analysis-04},
    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-v6ops-ipv6-roaming-analysis/04/},
    author =    {Gang Chen and DENG Hui and Dave Michaud and Jouni Korhonen and Mohamed Boucadair and Vizdal Ales},
    title =     {{IPv6 Roaming Behavior Analysis}},
    pagetotal = 19,
    year =      2014,
    month =     aug,
    day =       21,
    abstract =  {This document identifies a set of failure cases that may be encountered by IPv6-enabled mobile customers in roaming scenarios. The analysis reveals that the failure causes include improper configurations, incomplete functionality support in equipment, and inconsistent IPv6 deployment strategies between the home and the visited networks.},
}