The proxy server will automatically route HTTP requests to all members of the super cluster, while maintaining session affinity.
代理服务器将自动把 HTTP 请求路由到超级集群中的所有成员，同时维护会话的亲缘性。
2
The "network" between services is just that, a "dumb" network - no business logic of any kind, just technological capabilities like knowing which physical server to route messages to.