%% You should probably cite draft-xpbs-pce-topology-filter-02 instead of this revision.
@techreport{xpbs-pce-topology-filter-01,
    number =    {draft-xpbs-pce-topology-filter-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-xpbs-pce-topology-filter/01/},
    author =    {Quan Xiong and Shaofu Peng and Vishnu Pavan Beeram and Tarek Saad and Mike Koldychev},
    title =     {{PCEP Extensions for Topology Filter}},
    pagetotal = 12,
    year =      2021,
    month =     oct,
    day =       8,
    abstract =  {This document proposes a set of extensions for PCEP to support the topology filter during path computation.},
}