@techreport{sheng-rtgwg-overlay-routing-requirement-02,
    number =    {draft-sheng-rtgwg-overlay-routing-requirement-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-sheng-rtgwg-overlay-routing-requirement/02/},
    author =    {Cheng Sheng and Hang Shi and Linda Dunbar and Jie Dong},
    title =     {{Scenarios and Challenges of Overlay Routing for SD-WAN}},
    pagetotal = 8,
    year =      2025,
    month =     may,
    day =       13,
    abstract =  {Overlay routing is essential during the enterprise networks' evolution from the interconnection among multiple on-premise branch sites to more advanced ones, such as the interconnection to multi- clouds. This document analyzes the technical requirements and challenges of overlay routing for SD-WAN in these scenarios.},
}