@misc{rfc1171,
    series =    {Request for Comments},
    number =    1171,
    howpublished =  {RFC 1171},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC1171},
    url =       {https://www.rfc-editor.org/info/rfc1171},
    author =    {Drew D. Perkins},
    title =     {{Point-to-Point Protocol for the transmission of multi-protocol datagrams over Point-to-Point links}},
    pagetotal = 51,
    year =      1990,
    month =     jul,
    abstract =  {This memo specifies the Point-to-Point Protocol (PPP) as a Draft Standard Protocol for the Internet community. When it becomes a full Standard, this protocol will be recommended for all TCP/IP implementations that communicate over serial links.},
}