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There Can be More than One

Many IT workers seem to have a fetish for uniqueness. We urge programmers: "Don't Repeat Yourself". Express every idea "Once and Only Once". This often translates into architecture in the form of the "Enterprise" this, that and the other. The Enterprise Data Model, say, or the Enterprise Message Bus. These carry a connotation of being a single solution used for all systems within an organization. Which has its advantages. And like all solutions, creates its own problems.

If all the facets of an organization's IT world had the same usage patterns, the same latency bounds, the same real-time constraints and all the other characteristics that architecture addresses, then the cost of using the Enterprise solution (there always is a cost) would be easy to justify. But they don't.

By Keith Braithwaite

This work is licensed under a Creative Commons Attribution 3

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