A value-driven approach to the design of service-oriented information systems—making use of conceptual models

We explain the importance of conceptual models for process design with service-oriented architectures (SOA) and illustrate how these models can be used to evaluate the value of SOA. To do so, a methodology is introduced, which comprises both the configuration and the implementation of processes by services and IT components. The approach presented here, makes it possible to evaluate the monetary and objective potentials of SOA, as well as to enhance SOA implementation by providing guidelines. The requirements analysis from an online-mail order company serves as a case study. The results show that up to now, economic aspects were ascribed too little importance in the SOA discussion.

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