HTTP Tutorial

The Hypertext Transfer Protocol (HTTP) is anapplication-levelprotocol for distributed, collaborative,hypermedia informationsystems. This is the foundation for datacommunication for theWorld Wide Web (i.e. internet) since 1990.HTTP is a generic andstateless protocol which can be used for otherpurposes as wellusing extensions of its request methods, errorcodes, andheaders.
This tutorial is based on RFC-2616 specification, which definestheprotocol referred to as HTTP/1.1. HTTP/1.1 is a revision oftheoriginal HTTP (HTTP/1.0). A major difference between HTTP/1.0andHTTP/1.1 is that HTTP/1.0 uses a new connection foreachrequest/response exchange, where as HTTP/1.1 connection may beusedfor one or more request/response exchanges.

This tutorial has been prepared for computer science graduatesandweb developers to help them understand the basic to advancedlevelconcepts related to Hypertext Transfer Protocol (HTTP).