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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...
The availability of scarce resources in a service-oriented system demands for context-aware selection policies that adapt based on service-level agreements (SLAs). One of the open issues is to prioritize service requests in dynamically changing environments where concurrent instances of processes may compete for resources. Here we propose a runtime monitoring approach to observe the actual state of...
Next generation mobile networks are expected to provide service to intelligent terminals with different categories. To fully optimize wireless networks, we argue that applications demands should be taken into account given the current channel and network conditions. Knowledge has to be shared between layers to obtain the highest possible adaptivity. In this context, we propose and evaluate an adaptive...
Next generation mobile networks are expected to provide seamless personal mobile communications and quality of service (QoS) guaranteed services. In this paper, the focus is on the packet scheduling of data generated by exhaustive applications. The performance of a new packet scheduling called adaptive proportional fair with user multiplexing (APFUM) is proposed and compared to the proportional fair...
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