ASQ - Electronics and Communications Division

Evaluating downtime and maintenance time in communication networks

Abstract: © 2011 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must first be obtained from the IEEE.

In this paper, a method for evaluating maintainability in communication networks is described. In communication networks, as different types of failures occur and a variety of maintenance actions are performed, the characteristics of service downtime are widely distributed. Therefore, service downtime has to be evaluated by categorizing failures and analyzing outage data. A procedure for handling the related data is described. In addition, examples of evaluating service downtime by using the outage data and maintenance data collected from an actual communication network are presented. Moreover, the relationship between service downtime and maintenance-related times is verified.

Keywords: RAMS 2011 Proceedings - Product Reliability - Reliability Model - Reliability

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