【fix】 add dns module;

LazyDNS.puml

@@ -0,0 +1,61 @@
+
+
+@startuml
+
+title 动态DNS
+
+actor 访客 as User
+
+package "服务端（公网）" as dns_server_{
+     component [服务端私有网络A]{
+         [mysql:(172.1.1.4:3306)] as dns_server_remote_local_
+         [clickhouse:(172.1.1.5:3306)]
+     }
+    component [服务端私有网络B]{
+      [mysql:(172.1.2.4:3306)]
+      [clickhouse:(172.1.2.5:3306)]
+    }
+
+}
+
+package "客户端（私有网络）" as dns_remote_local_{
+
+     component [客户端私有网络A]{
+         [mysql:(162.1.1.4:3306)] as dns_client_remote_local_
+         [clickhouse:(162.1.1.5:3306)]
+     }
+    component [客户端私有网络B]{
+      [mysql:(162.1.2.4:3306)]
+      [clickhouse:(162.1.2.5:3306)]
+    }
+}
+
+
+package "客户端（用户本地）" as dns_local_ {
+
+}
+
+
+
+note "用户本地网络" as local_net_
+note "服务端网络" as server_net_
+note "客户端私有网络" as remote_net_
+
+'(User) .... local_condition_
+'local_condition_ ... (target)
+
+[User] ...right...> dns_local_: DNS连接到本地
+dns_local_ ...right...> local_net_: 访问本地网络（本地DNS）
+dns_local_ ...up...> dns_server_remote_local_: 远程DNS解析
+
+dns_server_ ...up...> server_net_: server本地的网络
+dns_server_ ...down...> dns_remote_local_: 访问的地址在远程的客户端中
+dns_remote_local_ ...down...> dns_client_remote_local_: 远程客户端所在的私有网络
+dns_remote_local_ ...down...> remote_net_: 远程客户端中的其他网络
+
+
+
+
+
+@enduml
+