@misc{rfc4950,
    series =    {Request for Comments},
    number =    4950,
    howpublished =  {RFC 4950},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC4950},
    url =       {https://www.rfc-editor.org/info/rfc4950},
    author =    {Ron Bonica and Der-Hwa Gan and Carlos Pignataro and Dan Tappan},
    title =     {{ICMP Extensions for Multiprotocol Label Switching}},
    pagetotal = 8,
    year =      2007,
    month =     aug,
    abstract =  {This memo defines an extension object that can be appended to selected multi-part ICMP messages. This extension permits Label Switching Routers to append MPLS information to ICMP messages, and has already been widely deployed. {[}STANDARDS-TRACK{]}},
}