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الhttp دا بروتكول والiis دا server

الHTTP هو Hyper Text Transfer Protocol و هو بروتكول يستخدم لتصفح مواقع الانترنت

اقتباس

(HyperText Transfer Protocol) The communications protocol used to connect to servers on the Web. Its primary function is to establish a connection with a Web server and transmit HTML pages to the client browser or any other files required by an HTTP application. Addresses of Web sites begin with an http:// prefix; however, Web browsers typically default to the HTTP protocol. For example, typing www.yahoo.com is the same as typing http://www.yahoo.com.

HTTP is a "stateless" request/response system. The connection is maintained between client and server only for the immediate request, and the connection is closed. After the HTTP client establishes a TCP connection with the server and sends it a request command, the server sends back its response and closes the connection

اما الIIS

فهو اختصار لInternet Information Services(server)

اقتباس

Microsoft Internet Information Services (IIS, sometimes Server or System) is a set of Internet-based services for servers using Microsoft Windows. It is the world's second most used web server in terms of overall websites but most widely used web server for corporate, commerce and secure websites

http://en.wikipedia.org/wiki/Internet_Information_Services