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T.F. Arnold, Bell Telephone Laboratories, Inc.
Duplication is a technique frequently employed to achieve high reliability for a repairable system. Although the philosophy of duplication is that it takes two faults to place a system out of service, there are generally some critical single faults that cause a system failure. This paper considers the effect of such a set of faults on a repairable system's reliability. It is shown that even a small number of such faults may severely degrade the mean time to system failure and the expected downtime for an otherwise highly reliable system.
Index Terms:
Coverage, fault tolerance, recovery, redundancy, reliability, reliability estimation.
Citation:
T.F. Arnold, "The Concept of Coverage and Its Effect on the Reliability Model of a Repairable System," IEEE Transactions on Computers, vol. 22, no. 3, pp. 251-254, March 1973, doi:10.1109/T-C.1973.223703
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