DFTSNA:A Distributed Fault—Tolerant Shipboard System
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This paper describes the architecture,fundamental principle and implementation of a distributed fault-tolerant system-DFTSNA,Its objective is o combine extreme reliability with high availability in a shipboard environment,Multi-level fault tolerance is considered and several special purpose hardware subsystems(F-T clusters)are developed.The physical and functional distribution of the system is empha-sized to meet the stringent shipboard requirements.A number of algorithms are produced to support fault-tolerant operation.