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Monday, October 20, 2008

Session Tracking

Why Session Tracking?

Session Tracking is amechanism to maintain state across a
series of requests from the same user (or
originating from the same browser) over
some period of time

Example: Online shopping cart

Yet, HTTP is stateless protocol

Each time, a client talks to a web server, it opens
a new connection

Server does not automatically maintains
“conversational state” of a user

Three “underlying” Session Tracking Mechanisms


URL rewriting

Hidden form fields

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