云平台的七层负载均衡

1、AWS

https://aws.amazon.com/cn/elasticloadbalancing/

2、阿里云

https://help.aliyun.com/product/27537.html?spm=5176.7921785.762131.doc3.64b54100Aj8fQ9

3、腾讯云

https://cloud.tencent.com/product/clb/details

4、Ucloud

https://www.ucloud.cn/site/product/ulb.html