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Error recovery in a real-time multiprocessor system

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Abstract

In this paper, a new scheme for recovering errors due to transient faults in a real-time multiprocessor system is presented. The scheme, called dynamic redundancy at the task level, is implemented in a real-time multitasking environment. Utilizing the facilities in the operating system, the scheme makes backup tasks for the primary tasks as redundancy. The paper introduces an algorithm to generate a fault tolerant schedule for the tasks so that they recover errors as retry or checkpointing does. A reliability model is proposed to evahuste the effectiveness of the scheme.

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References

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Authors and Affiliations

  1. Dept. of Electrical Engineering, Guangdong Institute of Technology, 510090, Guangzhou

    Weihua Li

  2. Wuhan Digital Engineering Institute, P.O. Box 223, 430000, Wuchang

    Youguang Yuan

Authors
  1. Weihua Li
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  2. Youguang Yuan
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Li, W., Yuan, Y. Error recovery in a real-time multiprocessor system. J. of Comput. Sci. & Technol. 7, 83–87 (1992). https://doi.org/10.1007/BF02946170

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  • DOI: https://doi.org/10.1007/BF02946170

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