websocket tutorial

Source Address: Https://github.com/Tinywan/PHP_Experiencefirst, detailed code case detailed interpretation of a simple HTML5 WebSocket JS example Tutorial, with the complete JavaScript websocket instance source code, as well as the example effect demo page, and the core code of this example in-depth interpretation. From the three stages of

WebSocket deployment: unable to connect to the Internet of the server solution, websocket deployment The first thing I need to talk about is the problem I encountered: WebSocket connection to 'ws: // www.xxxx.com/xxx/xx' failed: Error during WebSocket handshake: Unexpected response code: 200It is feasible to bind a we

With the help of node practices WebSocket, node practices WebSocket I. WebSocketOverview WebSocket protocol,It is based on TCP rather than HTTP. As follows: Ws: // 127.0.0.1 or wss: // 127.0.0.1 is a WebSocket request. Note:WsWebSocketProtocol, wssIndicates encrypted WebSocketProtocol. WebSocketThe advan

The WebSocket protocol is a two-way communication protocol that is based on TCP and transmits data over TCP as HTTP, but it differs from HTTP by a maximum of two points: 1. WebSocket is a two-way communication protocol, after establishing a connection, the WebSocket server and Browser/ua can actively send or receive data to each other, just like a socket, The dif

1. What is WebSocket?The WebSocket protocol defines a new feature of a Web application that implements full-duplex communication between the server and the client. Full-duplex communication means that both sides of the communication can send and receive information interactively. It is a new technology that makes Web applications more interactive, such as Java applets, XMLHttpRequest, Adobe Flash, ActiveXOb

BackgroundPreviously, many websites used polling to implement push technology. Polling is at a specific time interval (for example, 1 seconds), the browser sends an HTTP request to the server, and the server returns the latest data to the browser. The disadvantage of polling is obvious, the browser needs to constantly make requests to the server, however, the header of the HTTP request is very long, and the actual transmission of data may be very small, resulting in a waste of bandwidth and serv

WebSocket SecurityThe WebSocket protocol is a young technology, and brings with it some risks. Decades of experience has taught the web community some best practices around HTTP security, but the security best practi Ces in the WebSocket world aren ' t firmly established, and continue to evolve. Nevertheless, some themes has emerged and they is described in this

Browser already supports the HTTP protocol, why develop a new websocket protocol? We know that the HTTP protocol is a one-way network protocol, and after the connection is established, it only allows Browser/ua (useragent) to send the requested resource to webserver, webserver to return the corresponding data. and webserver can not actively push data to Browser/ua, originally so design HTTP protocol also has reason, assuming webserver can actively pus

[This article is original, if reproduced, please indicate the source http://blog.csdn.net/yl02520/article/] WebSocket protocol is a two-way communication protocol, which is based on TCP and transmits data via TCP as HTTP, but it differs from HTTP by two points: 1. WebSocket is a two-way communication protocol, after the establishment of the connection, the WebSocket