%% You should probably cite draft-liu-ccamp-optical2cloud-problem-statement instead of this I-D.
@techreport{liu-rtgwg-optical2cloud-problem-statement-00,
    number =    {draft-liu-rtgwg-optical2cloud-problem-statement-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-rtgwg-optical2cloud-problem-statement/00/},
    author =    {Sheng Liu and Haomian Zheng},
    title =     {{Accessing Cloud via Optical Network Problem Statement}},
    pagetotal = 8,
    year =      2021,
    month =     oct,
    day =       25,
    abstract =  {This document describes the scenarios and requirements for the Cloud accessing through optical network, as a complementary functionality of the network and cloud coordination. The problem from optical perspective is different with packet, and statement is made in this document.},
}