http://www.591dang.com/2023/02/22/anycast-vpn-%e9%ab%98%e9%80%9f%e7%a8%b3%e5%ae%9a%e7%9a%84%e5%8a%a0%e9%80%9f%e5%99%a8-%e8%8b%b9%e6%9e%9c%e6%89%8b%e6%9c%baios%e7%ab%af-%e5%ae%89%e5%8d%93%e6%89%8b%e6%9c%ba%e7%ab%af-windows%e5%ae%a2/