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For service level agreement aware service composition problem, the sharing property is integrated into it to further decrease the cost and make more applications can be successfully deployed. Based on the characteristic of this problem, the attributes of throughput, latency and cost are simultaneous considered and a multi-objective service sharing optimization model is built. To make more feasible...
In cloud computing environments, each service-oriented application is often instantiated with multiple workflow instances, and each of them provides a specific QoS level for a particular user category. In recent researches, most of works deploy service instances for each workflow independently, and the sharing of service instance is not considered across compositions related with different SLAs. This...
In the research of composite service execution, runtime QoS ensuring of composite service is an important problem in composite service adaptation. This paper gives an introduction to the design and implementation of composite service adaptive execution supported environment monitoring system, analyzes the crucial problem of the system, builds up an experiment environment to test the monitoring system...
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