An effective schedulability analysis for fault-tolerant hard real-time systems

We propose worst-case response time schedulability analysis for fault-tolerant hard real-time systems which takes into account the effects of temporary faults. The major contribution of our approach is to consider the recovery of tasks running with higher priorities. This characteristic is very useful since faulty tasks certainly have a shorter period of time to meet their deadlines. Due to its flexibility and simplicity, the proposed approach provides an effective schedulability analysis, where system predictability can be fully guaranteed.

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