@misc{rfc4821,
    series =    {Request for Comments},
    number =    4821,
    howpublished =  {RFC 4821},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC4821},
    url =       {https://www.rfc-editor.org/info/rfc4821},
    author =    {Matt Mathis and John Heffner},
    title =     {{Packetization Layer Path MTU Discovery}},
    pagetotal = 32,
    year =      2007,
    month =     mar,
    abstract =  {This document describes a robust method for Path MTU Discovery (PMTUD) that relies on TCP or some other Packetization Layer to probe an Internet path with progressively larger packets. This method is described as an extension to RFC 1191 and RFC 1981, which specify ICMP-based Path MTU Discovery for IP versions 4 and 6, respectively. {[}STANDARDS-TRACK{]}},
}