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Fault containment in a reconfigurable Multi-Processor System-on-a-Chip

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2 Author(s)
Obermaisser, R. ; Univ. of Siegen, Siegen, Germany ; Hoftberger, O.

Fault containment between components is a significant property in embedded real-time systems in order to improve robustness, attain clear integration responsibilities and enable modular certification. This paper presents fault containment mechanisms, which are based on the time-triggered Network-on-a-Chip (NoC) of a reconfigurable MPSoC. Each component accesses this NoC via a communication interface that acts as a guardian of the component behavior in the time and value domain. The knowledge about the permitted behavior of a component is written into the communication interfaces by a trusted resource manager. We perform an evaluation of these fault containment capabilities using fault injection experiments. The experiments provide evidence that a faulty component cannot affect the timing or integrity of messages exchanged by other components.

Published in:

Industrial Electronics (ISIE), 2011 IEEE International Symposium on

Date of Conference:

27-30 June 2011