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Erschienen in:
2011 | OriginalPaper | Buchkapitel
A Penalty-Based Approach for QoS Dissatisfaction Using Fuzzy Rules
verfasst von : Barbara Pernici, S. Hossein Siadat, Salima Benbernou, Mourad Ouziri
Erschienen in: Service-Oriented Computing
Verlag: Springer Berlin Heidelberg
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Quality of Service (QoS) guarantees are commonly defined in Service Level Agreements (SLAs) between provider and consumer of services. Such guarantees are often violated due to various reasons. QoS violation requires a service adaptation and penalties have to be associated when promises are not met. However, there is a lack of research in defining and assessing penalties according to the degree of violation. In this paper, we provide an approach based on fuzzy logic for modelling and measuring penalties with respect to the extent of QoS violation. Penalties are assigned by means of fuzzy rules.