The effects of latent faults on highly reliable computer systems

  • Authors:
  • F. L. Swern;S. J. Bavuso;A. L. Martensen;P. S. Miner

  • Affiliations:
  • -;-;-;-

  • Venue:
  • IEEE Transactions on Computers - Special Issue on Real-Time Systems
  • Year:
  • 1987

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Abstract

Latent faults represent a potential obstacle in the synthesis of highly reliable digital computer systems. A simulation of an NMR redundant processor system was constructed using a gate level simulation package. The ability of each digital processor to react to randomly induced stuck-at faults is measured, and the amount of time it took the processor's control program to propagate faults to an output was recorded. These propagation times represent the latency times of the faults. The effect of fault latency in degrading system reliability is explored.