文件名称:
WinHTTP WebSocket 代码
开发工具:
文件大小: 35kb
下载次数: 0
上传时间: 2013-05-08
详细说明： HTML 5 Web Sockets is a powerful and effective technique for real-time information processing. There exists many techniques such as Poling, Long Poling and Streaming that are said to be better earier days. With web sockets, it shows a better outcome for the end user as well as a proper utilization of the server bandwidth. WebSocket is a web technology providing full-duplex communications channels over a single TCP connection. The WebSocket protocol was standardized by the IETF as RFC 6455 in 2011, and the WebSocket API for in W eb IDL is being standardized by the W3C.WebSocket is designed to be implemented in web browsers and web servers, but it can be used by any client or server application. The WebSocket Protocol is an independent TCP-based protocol. Its only relationship to HTTP is that its handshake is interpreted by HTTP servers as an Upgrade request. The WebSocket protocol makes possible more interaction between a browser and a web site, facilitating live content and the creation of real-time games. This is made possible by providing a standardized way for the server to send content to the browser without being solicited by the client, and allowing for messages to be passed back and forth while keeping the connection open. In this way a two-way (bi-directional) ongoing conversation can take place between a browser and the server. A similar effect has been achieved in non-standardized ways using stop-gap technologies such as Comet.In addition, the communications are done over TCP port number 80, which is of benefit for those environments which block non-standard Internet connections using a firewall. WebSocket protocol is currently supported in several browsers including Google Chrome, Internet Explorer, Firefox, Safari and Opera. WebSocket also requires web applications on the server to support it. Here goes a comparison of polling vs Web Sockets. ...展开收缩
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