https://blog.wongcw.com/2020/09/15/google-fiber%e9%a0%90%e5%91%8a2gbps%e5%b8%b6%e5%af%ac%e8%a8%88%e5%8a%83%e4%bb%8a%e5%b9%b4%e7%a7%8b%e5%ad%a3%e9%96%8b%e5%a7%8b%e6%b8%ac%e8%a9%a6/