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Sustainability is an important issue with a growing interest. Two ICT technologies provide useful support for the sustainability of industrial systems: service-oriented architecture (SOA) and cyber-physical systems (CPS). SOA has been adopted in a variety of industrial systems due to its integration flexibility and process composability. CPS is a new technology to bring computational intelligence to physical devices and to make them mission- and situation-aware. We study a real-time SOA architecture to enhance sustainability and predictability in CPS. The proposed real-time SOA middleware builds the support for service accountability and global resource management for real-time service processes. Given a service plan and known resource constraints, the middleware monitors the performance and reserves resources in advance for each service in the process to ensure its real-time feasibility. A prototype of RT-SOA ESB has been implemented and evaluated.
Date of Conference: 13-16 July 2010