Three reliability engineering techniques and their application to evaluating the availability of it systems: an introduction

Authors:
D. Bailey;E. Frank-Schultz;P. Lindeque;J. L. Temple
Affiliations:
IBM Bedfont, Hursley, UK;IBM UK Ltd., Portsmouth Hants, UK;IBM UK Ltd., Farnborough Hants, UK;IBM Systems and Technology Group, Poughkeepsie, NY
Venue:
IBM Systems Journal
Year:
2008

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Abstract

We present a brief introduction to three reliability engineering techniques: failure mode, effects, and criticality analysis; reliability block diagrams; and fault tree analysis. We demonstrate the use of one of these techniques, reliability block diagrams, in evaluating the availability of information technology (IT) systems through a case study involving an IT system supported by a three-tier Web-server configuration.