%% You should probably cite rfc7667 instead of this I-D.
@techreport{ietf-avtcore-rtp-topologies-update-10,
    number =    {draft-ietf-avtcore-rtp-topologies-update-10},
    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-avtcore-rtp-topologies-update/10/},
    author =    {Magnus Westerlund and Stephan Wenger},
    title =     {{RTP Topologies}},
    pagetotal = 48,
    year =      2015,
    month =     jul,
    day =       2,
    abstract =  {This document discusses point-to-point and multi-endpoint topologies used in environments based on the Real-time Transport Protocol (RTP). In particular, centralized topologies commonly employed in the video conferencing industry are mapped to the RTP terminology.},
}