Let’s try something practical to understand how HTTP works ? POST: POST method is used when it’s required to send some data to server. We will see one practical example of this method. This is a main method used document retrival. GET: GET request asks data from web server. We will not go in details of each method instead we will get to know about the methods which are seen quite often.Such as GET, HEAD, POST, PUT, DELETE, CONNECT, OPTION and TRACE. There are some set of methods for HTTP/1.1 (This is HTTP version) And also HTTP defines rules for transmitting HTTP command to get data from server.įor example, when you enter a url in browser (Internet explorer, Chrome, Firefox, Safari etc) it actually sends an HTTP command to server.And server replies with appropiate command. So HTTP define reules what action should be taken when a browser receives HTTP command. HTTP is used by the World Wide Web (w.w.w) and it defines how messages are formatted and transmitted by browser.
See below picture to find out HTTP which resides under application layer. HTTP is an application layer protocol in ISO or TCP/IP model.
First is all the full form of HTTP is HyperText Transfer Protocol.
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