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Succeeding with SOA: Realizing Business Value Through Total Architecture by Paul C. Brown

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Chapter 1. The SOA Challenge

Business processes and information systems have become so tightly intertwined that it is no longer possible to design one without designing the other. Business processes do not simply depend on information systems—they define the services required.

Altering business processes inevitably requires system changes. Conversely, system changes inexorably alter business processes. Herein we find the SOA challenge—designing systems in such a way that accommodating most business process changes simply requires rearranging existing business services. If you can accomplish this, you will not only reduce development costs but will also decrease the time-to-market for these business process changes and thereby improve your enterprise's ...

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