Websocket review

Time:2021-7-1

https://juejin.im/post/6865444445479927821

How to realize message communication gracefully?

 

 

downside:   The browser needs to constantly send requests to the server. However, HTTP requests and responses may contain long headers, in which the real effective data may be only a small part, so it will consume a lot of bandwidth resources

 

HTML5 defines websocket protocol

Websocket is a kind of network transmission protocol, which can carry out full duplex communication on a single TCP connection and is located in the application layer of OSI model