The user accesses the Web server on the Internet through a "browser", and the exchange of information between the browser and the server uses the Hypertext Transfer Protocol (HTTP--hypertext Transfer Protocol). |
Example: The user visits the Southeast University homepage Http://www.seu.edu.cn/seu/welcome.htm, the browser and the server information interaction process is as follows: (1) the browser gets The IP address of the Web server www.seu.edu.cn to DNS : 202.119.24.11 (2) the browser and the IP address of the 202.119.24.11 server for TCP connection, Port is a. (3) The browser executes the HTTP protocol, sends the get/seu/welcome.htm command, requests to read the file; (4) www.seu.edu.cn server returns/seu/welcome.htm files to the client; (5) release the TCP connection; (6) The browser interprets the contents of the/seu/welcome.htm file and displays the page represented by the file. |
Http://www.tyrtvu.cn/page/wangyekejian/jisuanwangluojichu/cha7/wwwjuli.htm
Go: Examples of browser and Web server work processes