%% You should probably cite rfc2205 instead of this I-D.
@techreport{ietf-rsvp-spec-15,
    number =    {draft-ietf-rsvp-spec-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-rsvp-spec/15/},
    author =    {Robert T. Braden and Lixia Zhang and Steven Berson and Shai Herzog and Sugih Jamin},
    title =     {{Resource ReSerVation Protocol (RSVP) -- Version 1 Functional Specification}},
    pagetotal = 112,
    year =      1997,
    month =     may,
    day =       28,
    abstract =  {This memo describes version 1 of RSVP, a resource reservation setup protocol designed for an integrated services Internet. RSVP provides receiver-initiated setup of resource reservations for multicast or unicast data flows, with good scaling and robustness properties. {[}STANDARDS-TRACK{]}},
}