@techreport{ietf-pppext-sonet-ds-01,
    number =    {draft-ietf-pppext-sonet-ds-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-pppext-sonet-ds/01/},
    author =    {William A. Simpson},
    title =     {{PPP over SONET/SDH}},
    pagetotal = 12,
    year =      1998,
    month =     aug,
    day =       4,
    abstract =  {The Point-to-Point Protocol (PPP) {[}RFC-1661{]} provides a standard method for transporting multi-protocol datagrams over point-to-point links. This document describes the use of PPP over Synchronous Opti- cal Network (SONET) and Synchronous Digital Hierarchy (SDH) circuits.},
}