%% You should probably cite draft-irtf-nmrg-network-digital-twin-arch instead of this I-D.
@techreport{zhou-nmrg-digitaltwin-network-concepts-01,
    number =    {draft-zhou-nmrg-digitaltwin-network-concepts-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-zhou-nmrg-digitaltwin-network-concepts/01/},
    author =    {Cheng Zhou and Hongwei Yang and Xiaodong Duan},
    title =     {{Concepts of Digital Twin Network}},
    pagetotal = 10,
    year =      ,
    month =     ,
    day =       ,
    abstract =  {Digital twin technology is becoming a hot technology in industry 4.0. The application of digital twin technology in network field helps to realize efficient and intelligent management and network innovation. This document presents an overview of the concepts of Digital Twin Network (DTN), provides the definition and DTN, and then describes the benefits and key challenges of DTN.},
}