Abstract
The cornerstone for the success of Service-Oriented Computing lies in its promise to allow fast and easy composition of services to create added-value applications. Compositions need to be described in terms of their desired functional properties, but the non-functional properties are of paramount importance as well. Inspired by the Web service challenge we propose a new model for describing the Quality of Service (QoS) of a composition which considers the information flow and describes basic service qualities at the granularity level of service part names, that is, operations comprised in service invocation/response messages. In this initial investigation, we overview a number of formal methods techniques that allow to reason with QoS composition based on the proposed model, and propose an algorithm for determining the QoS of a composition given the QoS associated with the individual services.
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Aiello, M., Rosenberg, F., Platzer, C., Ciabattoni, A., Dustdar, S. (2006). Service QoS Composition at the Level of Part Names. In: Bravetti, M., Núñez, M., Zavattaro, G. (eds) Web Services and Formal Methods. WS-FM 2006. Lecture Notes in Computer Science, vol 4184. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11841197_2
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DOI: https://doi.org/10.1007/11841197_2
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