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Issue No.02 - February (1988 vol.37)
pp: 160-174
ABSTRACT
Concurrent system-level error detection techniques using a watchdog processor are surveyed. A watchdog processor is a small and simple coprocessor that detects errors by monitoring the behavior of a system. Like replication, it does not depend on any fault model for error detection. However, it requires less hardware than replication. It is shown that a large number of errors can be detected by
INDEX TERMS
concurrent error detection; system behaviour monitoring; assertion execution; fault tolerant computing; watchdog processors; system-level error detection; coprocessor; control-flow checking; memory-access checking; capability-based addressing; reasonable checks; automatic testing; computer architecture; computer testing; computerised monitoring; error detection; fault tolerant computing; reviews; satellite computers; special purpose computers.
CITATION
A. Mahmood, E.J. McCluskey, "Concurrent Error Detection Using Watchdog Processors-A Survey", IEEE Transactions on Computers, vol.37, no. 2, pp. 160-174, February 1988, doi:10.1109/12.2145
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