An integrated framework for QoS-based adaptation and exception resolution in WS-BPEL scenarios
Proceedings of the 28th Annual ACM Symposium on Applied Computing
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Component’s QoS constraints cannot be ignored when composing them to build reliable loosely-coupled, distributed systems. Therefore they should be explicitly taken into account in any formal model for component-based development. Such is the purpose of this paper: to extend a calculus of component composition to deal, in an effective way, with QoS constraints. Particular emphasis is put on how the laws that govern composition can be derived, in a calculational, pointfree style, in this new model.