Estimation of the impact of a software update on indicators of reliability of a fault tollerant multiprocessor system

Authors

  • Богдан Юрійович Волочій Lviv Polytechnic National University Bandery Str., 12, Lviv, 79013, Ukraine, Ukraine
  • Володимир-Мирон Володимирович Міськів Lviv Polytechnic National University Bandery Str., 12, Lviv, 79013, Ukraine, Ukraine
  • Олександр Володимирович Муляк Lviv Polytechnic National University Bandery Str., 12, Lviv, 79013, Ukraine, Ukraine
  • Леонід Діонісійович Озірковський Lviv Polytechnic National University Bandery Str., 12, Lviv, 79013, Ukraine, Ukraine

DOI:

https://doi.org/10.15587/1729-4061.2013.14851

Keywords:

reliability of hardware/software systems, fault-tolerant hardware/software systems, fault-tolerant multiprocessor system

Abstract

This article outlines a Fault-Tolerant Multiprocessor System, designed for prolonged uninterrupted operation. During system operation software is updated with new versions, ensuring the increase of system reliability. The discussed model of the Fault-Tolerant Multiprocessor System is proposed to define reliability mesures. The designincludes two multiprocessor systems (main and reserve), processors with a joint sliding reserve, a control processor and system diagnostics. The model accounts for a software double update, as well as for automatic system reset after default caused by the hardware failures. The duration of faultless performance of the fault-tolerant multiprocessor system is calculated, and compared between two models: the proposed one, which takes into account the software update, and another well-known model, which does not include software updates.

Author Biographies

Богдан Юрійович Волочій, Lviv Polytechnic National University Bandery Str., 12, Lviv, 79013, Ukraine

Doctor of Technical Sciences (DSc), Professor

Department of Theoretical Radio Engineering and Measuring

Володимир-Мирон Володимирович Міськів, Lviv Polytechnic National University Bandery Str., 12, Lviv, 79013, Ukraine

Candidate of Technical Sciences (PhD), Associate Professor

Department of Electronic Eevices and Systems

Олександр Володимирович Муляк, Lviv Polytechnic National University Bandery Str., 12, Lviv, 79013, Ukraine

PhD candidate

Department of Theoretical Radio Engineering and Measuring

Леонід Діонісійович Озірковський, Lviv Polytechnic National University Bandery Str., 12, Lviv, 79013, Ukraine

Candidate of Technical Sciences (PhD)

Department of Theoretical Radio Engineering and Measuring

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Published

2013-06-19

How to Cite

Волочій, Б. Ю., Міськів, В.-М. В., Муляк, О. В., & Озірковський, Л. Д. (2013). Estimation of the impact of a software update on indicators of reliability of a fault tollerant multiprocessor system. Eastern-European Journal of Enterprise Technologies, 3(9(63), 55–59. https://doi.org/10.15587/1729-4061.2013.14851

Issue

Vol. 3 No. 9(63) (2013): INFORMATION AND CONTROLLING SYSTEM

Section

Information and controlling system

License

Copyright (c) 2014 Богдан Юрійович Волочій, Володимир-Мирон Володимирович Міськів, Олександр Володимирович Муляк, Леонід Діонісійович Озірковський

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