Design & analysis of fault tolerant digital systems
Design & analysis of fault tolerant digital systems
CSP Methods for Identifying Atomic Actions in the Design of Fault Tolerant Concurrent Systems
IEEE Transactions on Software Engineering
Fault Tolerance for Off-the-Shelf Applications and Hardware
FTCS '95 Proceedings of the Twenty-Fifth International Symposium on Fault-Tolerant Computing
(Position Paper) Software Fault Tolerance at the Operating System Level
COMPSAC '95 Proceedings of the 19th International Computer Software and Applications Conference
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High reliability and real-time response are required in the Main Control Processor of Radio Network Controller for mobile communication systems. In spite of its robustness some fault rates is inevitable, so the processors are duplicated for non-interrupted service and services are switched to the standby processor in case of faults. The hot-standby sharing scheme has advantages of no data loss and non-proliferation of error data in comparison with the warm-standby sharing scheme but it has difficulties with implementation due to synchronization problem. This paper proposes an expanded warm-standby sharing scheme based on a novel massage processing and error detection mechanism for improving performances.