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In this paper, we consider the feasibility problem of a set of real-time jobs which may be subject to a fault burst during execution. A fault burst represents a time interval during which multiple jobs may incur faults; hence multiple recoveries may be needed. We show that determining the feasibility of a real-time system, which may be subject to a fault burst that may last at most Δ time units, is...
Energy and reliability management are important design constraints for real-time embedded systems. We consider the problem of achieving a given reliability target for a set of periodic real-time applications running on a multi-core system with minimum energy consumption. Specifically, we observe that the emerging multicore platforms provide ample opportunities to use task replication to achieve reliability...
Energy management and reliability are two important design objectives for real-time embedded systems. Recently, the standby-sparing scheme that uses a primary processor and a spare processor has been exploited to provide fault tolerance while keeping the energy consumption under control through DVS and DPMtechniques. In this paper, we consider the standby-sparing technique for fixed-priority periodic...
In this paper, we present an energy-aware standby-sparing technique for periodic real-time applications. A standby-sparing system consists of a primary processor where the application tasks are executed using Dynamic Voltage Scaling (DVS) to save energy, and a spare processor where the backup tasks are executed at maximum voltage/frequency, should there be a need. In our framework, we employ Earliest-Deadline-First...
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