%% You should probably cite draft-ietf-i2nsf-applicability instead of this I-D.
@techreport{jeong-i2nsf-applicability-01,
    number =    {draft-jeong-i2nsf-applicability-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-jeong-i2nsf-applicability/01/},
    author =    {Jaehoon Paul Jeong and Sangwon Hyun and Tae-Jin Ahn and Susan Hares and Diego Lopez},
    title =     {{Applicability of Interfaces to Network Security Functions to Networked Security Services}},
    pagetotal = 15,
    year =      2017,
    month =     jul,
    day =       17,
    abstract =  {This document describes the applicability of Interface to Network Security Functions (I2NSF) to networked security services in Network Functions Virtualization (NFV) environments, such as firewall, deep packet inspection, and attack mitigation.},
}