@techreport{zhang-pim-igp-ext-01,
    number =    {draft-zhang-pim-igp-ext-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-zhang-pim-igp-ext/01/},
    author =    {Stig Venaas and Zheng Zhang},
    title =     {{PIM IGP EXT}},
    pagetotal = 6,
    year =      2016,
    month =     jul,
    day =       7,
    abstract =  {This document introduces a method to advertise multicast source information. The information will be flooded all over the network by OSPF, ISIS and Babel extension. This allows PIM Sparse Mode routers with connected receivers to build a Shortest Path Tree straight away, with no need for a shared a tree.},
}