%% You should probably cite rfc7910 instead of this I-D.
@techreport{zhou-pim-vrrp-04,
    number =    {draft-zhou-pim-vrrp-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-zhou-pim-vrrp/04/},
    author =    {Wei Zhou},
    title =     {{VRRP PIM Interoperability}},
    pagetotal = 6,
    year =      2016,
    month =     jan,
    day =       22,
    abstract =  {This document introduces VRRP Aware PIM, a redundancy mechanism for the Protocol Independent Multicast (PIM) to interoperate with Virtual Router Redundancy Protocol (VRRP). It allows PIM to track VRRP state and to preserve multicast traffic upon failover in a redundant network with virtual routing groups enabled.},
}