%% You should probably cite draft-dm-net2cloud-problem-statement instead of this I-D.
@techreport{dm-vpn-ext-to-cloud-dc-problem-statement-01,
    number =    {draft-dm-vpn-ext-to-cloud-dc-problem-statement-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-dm-vpn-ext-to-cloud-dc-problem-statement/01/},
    author =    {Linda Dunbar and Andrew G. Malis and Christian Jacquenet},
    title =     {{VPN Extension to Dynamic Cloud DC Problem Statement}},
    pagetotal = 12,
    year =      2017,
    month =     oct,
    day =       30,
    abstract =  {This document describes the problems associated with extending existing VPN that interconnects Enterprise customers' multiple sites to dynamic workloads instantiated in cloud data centers. This document further describes a set of requirements that a solution would need to fulfill to address the problems discussed herein.},
}