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On-line dependability enhancement of multiprocessor SoCs by resource management

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6 Author(s)
Ter Braak, T.D. ; CTIT, Univ. of Twente, Enschede, Netherlands ; Burgess, S.T. ; Hurskainen, H. ; Kerkhoff, H.G.
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This paper describes a new approach towards dependable design of homogeneous multi-processor SoCs in an example satellite-navigation application. First, the NoC dependability is functionally verified via embedded software. Then the Xentium processor tiles are periodically verified via on-line structural self-testing techniques, by using a new IIP Dependability Manager. Based on the Dependability Manager results, faulty tiles are electronically excluded and replaced by fault-free spare tiles via on-line resource management. This integrated approach enables fast electronic fault detection/diagnosis and repair, and hence a high system availability. The dependability application runs in parallel with the actual application, resulting in a very dependable system. All parts have been verified by simulation.

Published in:

System on Chip (SoC), 2010 International Symposium on

Date of Conference:

29-30 Sept. 2010