%% You should probably cite rfc9299 instead of this I-D.
@techreport{ietf-lisp-introduction-15,
    number =    {draft-ietf-lisp-introduction-15},
    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-lisp-introduction/15/},
    author =    {Albert Cabellos-Aparicio and Damien Saucez},
    title =     {{An Architectural Introduction to the Locator/ID Separation Protocol (LISP)}},
    pagetotal = 24,
    year =      2021,
    month =     sep,
    day =       20,
    abstract =  {This document describes the architecture of the Locator/ID Separation Protocol (LISP), making it easier to read the rest of the LISP specifications and providing a basis for discussion about the details of the LISP protocols. This document is used for introductory purposes; more details can be found in the protocol specifications, RFCs 9300 and 9301.},
}