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Analysis of Computer Network Reliability and Criticality: Technique and Features

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Author(s): Iraj Elyasi-Komari | Anatoliy Gorbenko | Vyacheclav Kharchenko | Athanasios Mamalis

Journal: International Journal of Communications, Network and System Sciences
ISSN 1913-3715

Volume: 04;
Issue: 11;
Start page: 720;
Date: 2011;
Original page

Keywords: FME(C)A (Failure Modes and Effects (Criticality) Analysis) | Computer Network Reliability | Criticality | Corporate Computer Networks

ABSTRACT
The paper describes modern technologies of Computer Network Reliability. Software tool is developed to estimate of the CCN critical failure probability (construction of a criticality matrix) by results of the FME(C)A-technique. The internal information factors, such as collisions and congestion of switchboards, routers and servers, influence on a network reliability and safety (besides of hardware and software reliability and external extreme factors). The means and features of Failures Modes and Effects (Critical) Analysis (FME(C)A) for reliability and criticality analysis of corporate computer networks (CCN) are considered. The examples of FME(C)A-Technique for structured cable system (SCS) is given. We also discuss measures that can be used for criticality analysis and possible means of criticality reduction. Finally, we describe a technique and basic principles of dependable development and deployment of computer networks that are based on results of FMECA analysis and procedures of optimization choice of means for fault-tolerance ensuring.
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