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Publication
Middleware 2016
Conference paper
Evidential reasoning based fault diagnosis
Abstract
Fault diagnosis in IT environments is complicated because (i) most monitors have shared specificity (high amount of memory utilization can result from a large number of causes), (ii) it is hard to deploy and maintain enough sensors to ensure adequate coverage, and (iii) some functionality may be provided as-a-service by external parties with limited visibility and simultaneous availability of alert data. To systematically incorporate uncertainty and to be able to fuse information from multiple sources, we propose the use of Dempster-Shafer Theory (DST) of evidential reasoning for fault diagnosis and show its efficacy in the context of a distributed application.