IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
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Reconfiguration for Sensitivity Technique: A QoS-aware Co-Design approach for stream-based applications
Olufemi AdeluyiJeong-A Lee
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2010 Volume 7 Issue 24 Pages 1766-1772

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Abstract

Reconfiguration for Sensitivity Technique (RST) is presented as an approach for maintaining QoS in stream-based applications running on embedded systems. It is a co-design approach that uses the reconfiguration and sensitivity metrics for QoS awareness; the former for run-time reconfiguration in response to stimuli from the latter. The effectiveness of RST was tested after we used our CHARMS algorithm to screen out 95.17% of the mapping-cases for a H.263 encoder. Our tests showed a 99.25% QoS provisioning-up-time-level at any given instant, based on available battery power, using RST as compared to 80.62% with Performance Aware Reconfiguration of Software Systems(PARSY), 58.83% with Reconfigurable Service Composition(RSC) and 41.67% without RST.

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© 2010 by The Institute of Electronics, Information and Communication Engineers
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