@techreport{carpenter-extension-recs-04,
    number =    {draft-carpenter-extension-recs-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-carpenter-extension-recs/04/},
    author =    {Dr. Bernard D. Aboba and Brian E. Carpenter},
    title =     {{Design Considerations for Protocol Extensions}},
    pagetotal = 23,
    year =      2008,
    month =     oct,
    day =       27,
    abstract =  {This document discusses issues related to the extensibility of Internet protocols, with a focus on the architectural design considerations involved. Concrete case study examples are included. It is intended to assist designers of both base protocols and extensions.},
}