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Three reliability engineering techniques and their application to evaluating the availability of IT systems: An introduction

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4 Author(s)
Bailey, D. ; IBM Bedfont, Hursley Park, Hursley SO21 2JN, UK ; Frank-Schultz, E. ; Lindeque, P. ; Temple, III, J.L.

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.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Systems Journal  (Volume:47 ,  Issue: 4 )