%% You should probably cite rfc6956 instead of this I-D.
@techreport{ietf-forces-lfb-lib-09,
    number =    {draft-ietf-forces-lfb-lib-09},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-forces-lfb-lib/09/},
    author =    {Weiming Wang and Evangelos Haleplidis and Kentaro Ogawa and Chuanhuang Li and Joel M. Halpern},
    title =     {{ForCES Logical Function Block (LFB) Library}},
    pagetotal = 114,
    year =      2012,
    month =     may,
    day =       22,
    abstract =  {This document defines basic classes of Logical Function Blocks (LFBs) used in the Forwarding and Control Element Separation (ForCES). The basic LFB classes are defined according to ForCES FE model and ForCES protocol specifications, and are scoped to meet requirements of typical router functions and considered as the basic LFB library for ForCES. The library includes the descriptions of the LFBs and the XML definitions.},
}