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QoS-UniFrame: A Petri Net-Based Modeling Approach to Assure QoS Requirements of Distributed Real-Time and Embedded Systems.

Liu, Shih-Hsi; Bryant, Barrett R.; Gray, Jeffrey G.; Raje, Rajeev R.; Olson, Andrew M.; Auguston, Mikhail

In: 12th IEEE International Conference and Workshops on the Engineering of Computer-Based Systems (ECBS'05), pages 202-209. 2005.

Abstract: Assuring quality of service (QoS) requirements is critical when assembling a distributed real-time and embedded (DRE) system from a repository of existing components. This paper presents a two-level approach for assuring satisfaction of QoS requirements in the context of a reduced design space for DRE systems. A dynamic and parallel approach is introduced to prune off the infeasible design spaces at the first level. Evolutionary algorithms cooperating with a domain-specific scripting language then discard less probable design spaces using statistics. These techniques fulfill the collective objectives of pruning and assuring the design space at system assembly time.

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