@misc{rfc2615,
    series =    {Request for Comments},
    number =    2615,
    howpublished =  {RFC 2615},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC2615},
    url =       {https://www.rfc-editor.org/info/rfc2615},
    author =    {William A. Simpson and Andrew G. Malis},
    title =     {{PPP over SONET/SDH}},
    pagetotal = 10,
    year =      1999,
    month =     jun,
    abstract =  {This document describes the use of PPP over Synchronous Optical Network (SONET) and Synchronous Digital Hierarchy (SDH) circuits. {[}STANDARDS-TRACK{]}},
}