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Trade-offs

There are a number of trade-offs to make in designing a web site architecture: state versus scalability, replication versus simplicity, synchronous versus asynchronous, connectionful versus connectionless, speed of development versus planning, and procedural versus object-oriented programming.

State Versus Scalability

Left to its own devices, a web site has no ability to remember individual users from one web transaction to the next. In such “stateless” web sites, users have no particular information that needs to be tracked. The web site has complete amnesia about your previous visits. It delivers the page without considering whether you’ve asked for it before or what other pages you’ve viewed.


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