By Paul Dyson

In keeping with genuine international difficulties and platforms, this publication takes a pragmatic method of architectural strategies, giving step by step suggestion on tips on how to layout excessive functionality, controllable and versatile platforms.

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Several promotions will be run at any one time, but only one will ever be displayed to a particular user for a particular interaction with the site. If the user has registered with the web site and logs in, the promotion will be chosen based on the information stored against them in the customer database. If they have not identified themselves to the system, the promotion will be chosen based on the pages viewed during the interaction with the web site. Email promotions will start with the sending of a personalized email to every user within a segment derived from the customer database.

CONNECTION LIMITATION. Limit the number of connections to a potentially constrained resource. Use this limit to balance the need to maximize the number of connections with per connection throughput. ♦ RESOURCE POOLING. Implement a pool of resources such that a resource can be ‘checked out’ when required and ‘checked back in’ when finished with, for use by other processes or threads. ♦ LOCAL CACHE. Implement a mechanism that caches frequently used information ‘locally’ to the system element that uses the information.

Ensure that hardware (both servers and network) has internal capacity for expansion when the system is first installed and for each addition of new hardware. ♦ SWAPPABLE STAGING ENVIRONMENT. Create a parallel ‘live’ environment in which a new version of the system can be deployed and tested. Potentially, users can be migrated to the parallel environment as a way of upgrading the application. ♦ SEPARATE SYSTEM-MANAGED DATA. Identify data that is updated by users as part of their interaction with the system and data that is used and controlled entirely by the system itself.

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