%% You should probably cite draft-ietf-spring-sr-service-programming instead of this I-D.
@techreport{xuclad-spring-sr-service-programming-02,
    number =    {draft-xuclad-spring-sr-service-programming-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-xuclad-spring-sr-service-programming/02/},
    author =    {Francois Clad and Xiaohu Xu and Clarence Filsfils and Daniel Bernier and Cheng Li and Bruno Decraene and Shaowen Ma and Chaitanya Yadlapalli and Wim Henderickx and Stefano Salsano},
    title =     {{Service Programming with Segment Routing}},
    pagetotal = 31,
    year =      2019,
    month =     apr,
    day =       23,
    abstract =  {This document defines data plane functionality required to implement service segments and achieve service programming in SR-enabled MPLS and IP networks, as described in the Segment Routing architecture.},
}