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Issue No.01 - January (2000 vol.49)
pp: 55-64
ABSTRACT
<p><b>Abstract</b>—Information on <it>Fault Tolerance Latency</it> (FTL), which is defined as the total time required by all sequential steps taken to recover from an error, is important to the design and evaluation of fault-tolerant computers used in safety-critical real-time control systems with deadline information. In this paper, we evaluate FTL in terms of several random and deterministic variables accounting for fault behaviors and/or the capability and performance of error-handling mechanisms, while considering various fault tolerance mechanisms based on the trade-off between temporal and spatial redundancy, and use the evaluated FTL to check if an error-handling policy can meet the Control System Deadline (CSD) for a given real-time application.</p>
INDEX TERMS
Fault tolerance latency (FTL), temporal/spatial and static/dynamic redundancy, error-handling, Control System Deadline (CSD), dynamic failure.
CITATION
Hagbae Kim, Kang G. Shin, "Evaluation of Fault Tolerance Latency from Real-Time Application's Perspectives", IEEE Transactions on Computers, vol.49, no. 1, pp. 55-64, January 2000, doi:10.1109/12.822564
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