《HTML5 WebSocket权威指南》章节试读

《HTML5 WebSocket权威指南》的笔记-第36页 - CHAPTER 3 The WebSocket Protocol

Clients can only make requests, and the server can only respond to outstanding requests. In this asymmetrical world, protocols that require full-duplex communication just don’t work as well.

《HTML5 WebSocket权威指南》的笔记-第20页 - Introducing WebSocket

A WebSocket connection is established by upgrading from the HTTP protocol to the WebSocket Protocol during the initial handshake between the client and the server,over the same underlying TCP connection.