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A fundamental problem that confronts SOA-based CSCW applications is the efficient and timely QoS information obtainment of component services. However, this issue has largely been overlooked. This paper presents a P2P based publish/subscribe service to disseminate new revised QoS information reliably and efficiently. Specialized rendezvous points and a replica mechanism are introduced to reduce the...
A fundamental problem that confronts QoS-aware service selection and composition is the efficient and timely QoS information obtainment. Current research on this problem usually involves query-based or monitoring-based methods. However, in a dynamic and volatile service oriented Computing (SOC) environment, these solutions suffer some or all of the limitations, such as cost, timeliness guarantee and...
Faults and failures are the biggest obstacles that limit high-performance computing systems (HPCs) to exert their functions and performance. To minimize or dispel their influences, the HPCs must be supervised to obtain correlative information in time, according to which effective actions could be taken as soon as possible. To probe into this solution, an integrated fault-supervising system (IFS) designed...
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