%% You should probably cite draft-ietf-supa-policy-based-management-framework instead of this I-D.
@techreport{liu-supa-policy-based-management-framework-00,
    number =    {draft-liu-supa-policy-based-management-framework-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-liu-supa-policy-based-management-framework/00/},
    author =    {Will (Shucheng) LIU and John Strassner and Georgios Karagiannis and Maxim Klyus and Jun Bi},
    title =     {{SUPA policy-based management framework}},
    pagetotal = 13,
    year =      2016,
    month =     apr,
    day =       6,
    abstract =  {Simplified Use of Policy Abstractions (SUPA) defines a set of rules that define how services are designed, delivered, and operated within an operator's environment independent of any one particular service or networking device. This document describes the SUPA basic architecture, its elements and interfaces.},
}