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Third IEEE Workshop on Software Technologies for Future Embedded and Ubiquitous Systems (SEUS'05)
A Fault-Tolerant Scheduling Scheme for Hybrid Tasks in Distributed Real-Time Systems
Seattle, Washington
May 16-May 17
ISBN: 0-7695-2357-9
Y. S. Hong, Dongguk University
H. W. Goo, Dongguk University
This paper studies a fault-tolerant real-time scheduling algorithm for hybrid task sets which contain periodic tasks and aperiodic tasks. A previously proposed fault-tolerant periodic scheduling was extended to hybrid scheduling based on time redundancy and space redundancy. Periodic tasks are assigned to processors using fast and simple heuristic scheme and joint scheduling is used for periodic and aperiodic tasks. A simulation study shows the effectiveness of the proposed approach.
Index Terms:
fault tolerance, aperiodic task, rate monotonic algorithm, real-time scheduling, space redundancy, passive replication
Citation:
Y. S. Hong, H. W. Goo, "A Fault-Tolerant Scheduling Scheme for Hybrid Tasks in Distributed Real-Time Systems," seus, pp.3-6, Third IEEE Workshop on Software Technologies for Future Embedded and Ubiquitous Systems (SEUS'05), 2005
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