Abstract
Web Services as a technology to enable distributed business processes gain in importance, especially in the area of Enterprise Application Integration (EAI) and Business Process Outsourcing (BPO). However, the support of Quality of Service (QoS) is crucial in this context. Without any guarantee regarding QoS, no enterprise is willing to rely on external Web Services within critical business processes. Thus, we designed and implemented the Web Service Quality of Service Architectural Extension (WSQoSX) as an integrated Web Service system with comprehensive QoS support [2, 4]. WSQoSX supports the assessment of Web Services to assure that only Web Services will be used in critical business processes that satisfy the requirements defined by the user. The selection and execution of a certain Web Service depends on its QoS-properties described by a Service Level Agreements (SLAs) document. The compliance with given SLAs is monitored by WSQoSX as well. In case of a Web Service not being able to fulfil the requirements, it can be replaced during runtime by selecting an alternative Web Service out of a pool of similar Web Services. Additionally, providers can register their Web Service offerings using the same Web-based interface, making WSQoSX a marketplace for Web Services.
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Keywords
- Service Level Agreement
- Enterprise Application Integration
- Distribute Business Process
- Agile Business Process
- Relax Integer Program
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References
Berbner, R., Spahn, M., Repp, N., Heckmann, O., Steinmetz, R.: Heuristics for QoS-aware Web Service Composition. In: ICWS 2006. Proc. 4th IEEE International Conference Web Services, Chicago, IL, USA, pp. 72–82. IEEE Computer Society Press, Los Alamitos (2006)
Berbner, R., Grollius, T., Repp, N., Heckmann, O., Ortner, E., Steinmetz, R.: An approach for the Management of Service-oriented Architecture (SoA) based Application Systems. In: EMISA 2005. Proc. Enterprise Modelling and Information Systems Architectures, Klagenfurt, Austria, pp. 208–221 (2005)
Berbner, R., Spahn, M., Repp, N., Heckmann, O., Steinmetz, R.: An Approach for Replanning of Web Service Workflows. In: AMCIS 2006. 12th Americas Conference on Information Systems, Acapulco, Mexico (2006)
Berbner, R., Heckmann, O., Steinmetz, R.: An Architecture for a QoS driven composition of Web Service based Workflows. In: NAEC 2005. Networking and Electronic Commerce Research Conference, Riva Del Garda, Italy (2005)
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© 2007 Springer-Verlag Berlin Heidelberg
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Berbner, R., Spahn, M., Repp, N., Heckmann, O., Steinmetz, R. (2007). WSQoSX – A QoS Architecture for Web Service Workflows. In: Krämer, B.J., Lin, KJ., Narasimhan, P. (eds) Service-Oriented Computing – ICSOC 2007. ICSOC 2007. Lecture Notes in Computer Science, vol 4749. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-74974-5_59
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DOI: https://doi.org/10.1007/978-3-540-74974-5_59
Publisher Name: Springer, Berlin, Heidelberg
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