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A fault-tolerant technique for scheduling periodic tasks in real-time systems

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2 Author(s)
Hong, Y.S. ; Dongguk Univ., Seoul, South Korea ; Goo, H.W.

We present a heuristic for producing a fault-tolerant schedule of given periodic tasks in distributed real-time systems. Tasks are divided into two classes according to their task utilization. In order to recover from faults, a hybrid scheme based on space redundancy and time redundancy is used. We use a very simple and fast heuristic to provide fault tolerance and reduce time overhead in case of transient faults in distributed real-time systems. We show that our approach can improve processor utilization.

Published in:

Software Technologies for Future Embedded and Ubiquitous Systems, 2004. Proceedings. Second IEEE Workshop on

Date of Conference:

11-12 May 2004