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Granularity of Services

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Abstract

Service-oriented architectures are widely discussed as a design principle for application and enterprise architectures. Nevertheless, an adequate granularity of services has not yet been researched sufficiently from an economic perspective. The finer the granularity to realize the functions of a process, the higher the number of services is, and the more effort has to be directed towards composing them. In contrast, very coarse-grained services bear the disadvantages of higher implementation costs and lower reuse potential (e.g., in different processes). The aim of the decision model proposed in this paper is to determine an adequate granularity of services from an economical perspective. Thus, degrees of freedom, which often exist for the choice of granularity after a domain analysis, can be leveraged to realize a cost-efficient solution. We illustrate the applicability and practical benefits of the decision model with an example from the context of a financial services provider. Copyright Gabler Verlag 2011

Suggested Citation

  • Alexander Krammer & Bernd Heinrich & Matthias Henneberger & Florian Lautenbacher, 2011. "Granularity of Services," Business & Information Systems Engineering: The International Journal of WIRTSCHAFTSINFORMATIK, Springer;Gesellschaft für Informatik e.V. (GI), vol. 3(6), pages 345-358, December.
    • Handle: RePEc:spr:binfse:v:3:y:2011:i:6:p:345-358
    DOI: 10.1007/s12599-011-0189-x
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    References listed on IDEAS

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    1. Papazoglou, M. & van den Heuvel, W.J.A.M., 2006. "Service-oriented design and development methodology," Other publications TiSEM 8691e694-f269-4e17-b08c-e, Tilburg University, School of Economics and Management.
    2. Richard L. Baskerville & Marco Cavallari & Kristian Hjort-Madsen & Jan Pries-Heje & Maddalena Sorrentino & Francesco Virili, 2010. "The strategic value of SOA: a comparative case study in the banking sector," International Journal of Information Technology and Management, Inderscience Enterprises Ltd, vol. 9(1), pages 30-53.
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    Cited by:

    1. Hans Ulrich Buhl & Björn Steven Häckel & Florian Probst & Josef Schosser, 2016. "On the Ex Ante Valuation of IT Service Investments," Business & Information Systems Engineering: The International Journal of WIRTSCHAFTSINFORMATIK, Springer;Gesellschaft für Informatik e.V. (GI), vol. 58(6), pages 415-432, December.

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