Reliability Analysis of N -policy Vacation-Based FTC System Subject to Standby Switching Failures

• Autorzy: Sudeep Kumar , Ritu Gupta
• Języki publikacji: EN

Abstrakty

EN

The paper is aimed to investigate the reliability metrics of a multi-unit fault-tolerant control (FTC) system wherein the units are subject to failure and those are repairable by two heterogeneous servers. Server 1 remains permanently available for essential service of failed units, whereas server 2 goes on vacation and renders service based on the N-policy threshold, which may also provide optional and essential services. Server 1 may break down at a steady rate during its servicing period but immediately gets repaired and resume servicing the failed units. When the working unit fails, the available warm standby unit holds responsibility for the smooth operation of the system. The transition of standby units to operational mode may be unsuccessful with switching failure probability. We develop a Markovian model to obtain the steady-state probabilities. We explore computational and sensitivity analysis of different performance measures for various variability of the parameters. (original abstract)

Słowa kluczowe

EN

Servers; Network servers; Reliability; Failure rate

PL

Serwery; Serwery sieciowe; Niezawodność; Awaryjność

• Czasopismo: Operations Research and Decisions
• Rocznik: 2023
• Tom: 33
• Numer: nr 2
• Strony: 53--80

Twórcy

autor

Sudeep Kumar

• Amity University, India

autor

Ritu Gupta

• T A Pai Management Institute, Manipal, India

Bibliografia

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Identyfikatory

DOI

10.37190/ord230204