Sessions
HTTP, the protocol used for communication between a browser and the Web server, is essentially stateless. This means that the Web server does not remember interaction with the browser.
A session is an interaction between the Web server and a client browser that is remembered by the Web server. The importance of maintaining a session becomes evident when developing server-side applications where the application needs to be able to identify and associate different browser requests with the respective browsers. Hence, sessions are primarily used to create a state between the browser and the Web server.
Maintaining a session can be carried out either on the server side or on the client side.
There are four primary ways of implementing session ...
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