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Implementing SOA: Total Architecture in Practice by Paul C. Brown

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Chapter 14. Enterprise Architecture: Process and Domain Modeling

Unless you are creating an enterprise from scratch, your projects are generally not starting with a clean slate and building entire business processes and their supporting systems. Each project is making incremental changes to existing business processes and systems, operating in areas where other projects have been before.

There is considerable overlap in projects with respect to business processes and domain models, and therefore an opportunity to share information and reduce the amount of work required for each project. If one project has developed a model of a business process or part of a domain, subsequent projects should be able to build on that work, extending and refining ...

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