%% You should probably cite draft-ietf-bess-evpn-vpws instead of this I-D.
@techreport{boutros-l2vpn-evpn-vpws-04,
    number =    {draft-boutros-l2vpn-evpn-vpws-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-boutros-l2vpn-evpn-vpws/04/},
    author =    {Sami Boutros and Ali Sajassi and Samer Salam and John Drake and Jeff Tantsura and Dirk Steinberg and Thomas Beckhaus},
    title =     {{VPWS support in E-VPN}},
    pagetotal = 9,
    year =      2014,
    month =     jul,
    day =       2,
    abstract =  {This document describes how E-VPN can be used to support virtual private wire service (VPWS) in MPLS/IP networks. E-VPN enables the following characteristics for VPWS: single-active as well as all- active multi-homing with flow-based load-balancing, eliminates the need for single-segment and multi-segment PW signaling, and provides fast protection using data-plane prefix independent convergence upon node or link failure.},
}