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Formal support for dynamic QoS management in the development of open component-based distributed systems

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4 Author(s)
L. Blair ; Dept. of Comput., Lancaster Univ., UK ; G. S. Blair ; R. Andersen ; T. Jones

An aspect-oriented specification technique that supports the specification of component-based distributed systems is presented. Importantly, this technique also supports the synthesis of quality-of-service (QoS) management components from particular aspects of the specification. It is described how, by using a tool to support the aspect-oriented environment, one can first specify and verify QoS management subsystems and then synthesise components that can be placed into a running system. The focus is on dynamic QoS management functions, particularly monitoring and adaptation. The approach is illustrated by giving a simple example of the dynamic QoS management of an audio stream

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IEE Proceedings - Software  (Volume:148 ,  Issue: 3 )