Business-driven identification of services is a precondition for a successful implementation of service-oriented architectures and their subsequent governance. This article compares existing identification methods retrieved from related work and discusses the shortcomings. In particular, a lack of economic and governance aspects constitutes a problem and leaves space for improvements. Finally, the paper proposes a process-oriented method of service identification. This approach incorporates the business point of view, strategic and economic aspects as well as technical feasibility. By considering these aspects, it supports the governance of SOAs.

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Empirical knowledge on the appropriateness and desirability of competing methods and techniques of requirements engineering is rare. At the same time, existing knowledge has been achieved by different research methods which have not yet been consolidated. The paper structures empirical knowledge, evaluates it, and represents it in a research map. It will be demonstrated how this approach allows empirical knowledge to be more consistently transferred into practice. At the same time, we will identify main focuses and gaps in research in the field of requirements engineering.