NDLI: Scheduling and voltage scaling for energy/reliability trade-offs in fault-tolerant time-triggered embedded systems

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Scheduling and voltage scaling for energy/reliability trade-offs in fault-tolerant time-triggered embedded systems

Content Provider	ACM Digital Library
Author	Izosimov, Viacheslav Poulsen, Kåre Harbo Pop, Paul Eles, Petru
Abstract	In this paper we present an approach to the scheduling and voltage scaling of low-power fault-tolerant hard real-time applications mapped on distributed heterogeneous embedded systems. Processes and messages are statically scheduled, and we use process re-execution for recovering from multiple transient faults. Addressing simultaneously energy and reliability is especially challenging because lowering the voltage to reduce the energy consumption has been shown to increase the transient fault rates. In addition, time-redundancy based fault-tolerance techniques such as re-execution and dynamic voltage scaling-based low-power techniques are competing for the slack in the schedules. Our approach decides the voltage levels and start times of processes and the transmission times of messages, such that the transient faults are tolerated, the timing constraints of the application are satisfied and the energy is minimized. We present a constraint logic programming-based approach which is able to find reliable and schedulable implementations within limited energy and hardware resources.
Starting Page	233
Ending Page	238
Page Count	6
File Format	PDF
ISBN	9781595938244
DOI	10.1145/1289816.1289873
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2007-09-30
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Embedded systems Scheduling Energy minimization Reliability
Content Type	Text
Resource Type	Article

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