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Elements of Service-Oriented Analysis and Design

An interdisciplinary modeling approach for SOA projects

The basic concepts of Service-Oriented Architectures (SOAs) and Web services are becoming part of our everyday language and recognized as a suitable architectural style for crafting modern enterprise applications. In this context, the underlying issues of: what makes good services are becoming increasingly critical for ensuring the successful implementation of SOAs.
Existing modeling disciplines such as Object-Oriented Analysis and Design (OOAD), Enterprise Architecture (EA) frameworks, and Business Process Modeling (BPM) provide us with high-quality practices that can go a long way in assisting with the identification and definition of appropriate abstractions within an architecture. However, experience shows that these practices fall short when being applied independent of each other.

In this article, suitable elements are investigate from OOAD, EA, and BPM. The article also motivates the need for a hybrid approach that combines elements of all of the disciplines, with a number of distinct, new elements. The resulting, interdisciplinary OOAD method facilitating successful SOA deployments, which is refered to as Service-Oriented Analysis and Design (SOAD), has yet to be formally defined. With this approach you can take the first steps into the SOAD space.

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