Performance Comparisons of Duplex Scheme and Checkpointing Schemne for Fault-Tolerant Real-Time Systems


The Transactions of the Korea Information Processing Society (1994 ~ 2000), Vol. 6, No. 9, pp. 2533-2539, Sep. 1999
10.3745/KIPSTE.1999.6.9.2533,   PDF Download:

Abstract

Two schemes are widely used for fault-tolerant systems: one is the duplex system that has a physical redundancy, and the other one is the checkpointing scheme that rolls back to the last checkpoint at a failure. The average execution time and availability are important factors for measuring the performance of the fault-tolerant systems. However, in fault-tolerant real-time systems with a time constraint, meeting the time constraint instead of reducing the average execution time is the most important factor in the performance evaluation. We analyze and compare the performance of two fault-tolerant schemes (the duplex system and the checkpointing scheme) for real-time applications.


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Cite this article
[IEEE Style]
L. S. Hwa, K. J. Hoon, K. S. Soo, "Performance Comparisons of Duplex Scheme and Checkpointing Schemne for Fault-Tolerant Real-Time Systems," The Transactions of the Korea Information Processing Society (1994 ~ 2000), vol. 6, no. 9, pp. 2533-2539, 1999. DOI: 10.3745/KIPSTE.1999.6.9.2533.

[ACM Style]
Lim Sung Hwa, Kim Jai Hoon, and Kim Sung Soo. 1999. Performance Comparisons of Duplex Scheme and Checkpointing Schemne for Fault-Tolerant Real-Time Systems. The Transactions of the Korea Information Processing Society (1994 ~ 2000), 6, 9, (1999), 2533-2539. DOI: 10.3745/KIPSTE.1999.6.9.2533.