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An FPGA-based fail-soft system with adaptive reconfiguration

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5 Author(s)
Ryoji Noji ; Graduate School of Information Sciences, Hiroshima City University, 3-4-1 Ozuka-higashi, Asaminami-ku, Hiroshima 731-3194, Japan ; Satoshi Fujie ; Yuki Yoshikawa ; Hideyuki Ichihara
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Fail-soft systems with reconfigurable devices, which recover themselves by repeating isolation of faulty portions with graceful degradation, have been proposed. In this paper, we proposed a fail-soft system on an FPGA and discuss the performance and availability of the system. The proposed system can infer the type of faults from obtained errors, and then adaptively reconfigure itself autonomously, so that it can achieve high availability while keeping high performance. Case studies show that the proposed system can achieve high availability with high performance by avoiding excessive recovery.

Published in:

2010 IEEE 16th International On-Line Testing Symposium

Date of Conference:

5-7 July 2010