Adaptive fault tolerance: issues and approaches
- 4 December 2002
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
Abstract
The purpose of adaptive fault tolerance (AFT) is to meet the dynamically and widely changing fault tolerance requirement by efficiently and adaptively utilizing a limited and dynamically changing amount of available redundant processing resources. The authors attempt to establish the notion of AFT in a reasonably concrete form, identify major technical issues to be resolved for the practical realization of AFT, and illustrate some feasible approaches to resolving the major issues. After a discussion of the basic concept and major research issues, an important case of AFT management, adaptation to the change of the environment from the soft real-time mode to the hard real-time mode, is examined in some detail.<>Keywords
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