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Erschienen in:
2006 | OriginalPaper | Buchkapitel
An Adaptive Fault Tolerance System for Ubiquitous Computing Environments: AFTS
verfasst von : Eung Nam Ko
Erschienen in: Computational Science and Its Applications - ICCSA 2006
Verlag: Springer Berlin Heidelberg
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This paper presents the design of the AFTS(An Adaptive Fault Tolerance System), which is running on situation-aware middleware. Situation-aware middleware provides standardized communication protocols to inter-operate an application with others under dynamically changing situations. Since the application needs of middleware services and computing environment (resources) keep changing as the application change, it is difficult to analyze: whether it is possible that all Quality of Service (QoS) requirements are met, and what QoS requirements have tradeoff relationships. In this paper, we propose a QoS resource error detection-recovery model called “AFTS” for situation-aware middleware. An adaptive Video On Demand (VOD) system is used as an illustrative example of the AFTS model and its resource error detection-recovery.