https://blog.wongcw.com/2019/02/03/%e5%8c%97%e4%ba%ac%e8%81%af%e9%80%9a%e6%94%9c%e6%89%8b%e8%8f%af%e7%82%ba%e5%ae%8c%e6%88%90%e5%96%ae%e8%bc%89%e6%b3%a2400g%e7%8f%be%e7%b6%b2%e6%b8%ac%e8%a9%a6%e5%8a%a0%e9%80%9f%e5%9c%8b%e5%85%a7400g/
北京聯通攜手華為完成單載波400G現網測試加速國內400G部署進程