@misc{rfc2004,
    series =    {Request for Comments},
    number =    2004,
    howpublished =  {RFC 2004},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC2004},
    url =       {https://www.rfc-editor.org/info/rfc2004},
    author =    {Charles E. Perkins},
    title =     {{Minimal Encapsulation within IP}},
    pagetotal = 6,
    year =      1996,
    month =     oct,
    abstract =  {This document specifies a method by which an IP datagram may be encapsulated (carried as payload) within an IP datagram, with less overhead than "conventional" IP encapsulation that adds a second IP header to each encapsulated datagram. {[}STANDARDS-TRACK{]}},
}