@misc{rfc4917,
    series =    {Request for Comments},
    number =    4917,
    howpublished =  {RFC 4917},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC4917},
    url =       {https://www.rfc-editor.org/info/rfc4917},
    author =    {Venkateshwara Sastry and Alpesh Patel and Kent Leung},
    title =     {{Mobile IPv4 Message String Extension}},
    pagetotal = 7,
    year =      2007,
    month =     jun,
    abstract =  {This document specifies a new extension for use in Mobile IPv4. This extension can be added by the Home Agent and the Foreign Agent to Registration Reply messages. This extension carries a text string that is intended for the user of the Mobile Node. {[}STANDARDS-TRACK{]}},
}