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WS-BPEL 2.0 for SOA Composite Applications with IBM WebSphere 7 by Gregor Srdic, Matjaz B. Juric, Ales Frece, Swami Chandrasekaran, Matej Hertis

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Service-Oriented Architecture

We have seen that the lack of alignment between the business and IT is a common occurrence in almost every company. Achieving the alignment by modifying existing applications is in most cases, not successful for two reasons:

  • Complexity of the IT architecture, which makes modifying existing applications difficult and time consuming
  • Existing applications must not fail, because companies rely on them for everyday business

The alignment of business and IT is very difficult to achieve using traditional approaches. However, if a mediation layer between the business and the information system is introduced, the alignment between business and IT becomes more realistic — meet the SOA.

To manage problems related to changing requirements, ...

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