Reliability Availability Maintainability Dependability Analysis of Mirrored Distributed System
محورهای موضوعی : Reliability theory
Muktar Umar Danjuma
1
(Mathematics Faculty of Science Federal University Dutse Nigeria)
Ibrahim Yusuf
2
(Department of Mathematical Sciences, Bayero University, Kano)
Nasir Sufi
3
(Department of Computer Science, Federal University Dutse, Nigeria)
کلید واژه: Failure Rate, Repair Rate, server replication, directory servers, MTSF,
چکیده مقاله :
Computer network topologies are complex systems made up of large subsystems that are arranged in series-parallel configurations. The current paper dealt with the mathematical modeling of some reliability metrics used in determining the strength, reliability, and performance of a computer distributed system stationed in two locations A and B, all of which were configured as a series-parallel system. The system is made up of six series-parallel subsystems distributed between locations A and B. In location A, there are three subsystems: four clients running in parallel as subsystem 1, six directory servers running in parallel as subsystem 2, and two replica servers running in parallel as subsystem 3, while in location B, there are two replica servers running in parallel as subsystem 4, six directory servers running in parallel as subsystem 5, and four clients running in parallel as subsystem 6. Using the Markovian process, the goal is to build mathematical models of reliability, dependability, availability, and maintainability in order to assess the system's performance, strength, and effectiveness. The ordinary differential difference equations for each subsystem are obtained from the schematic diagrams and solved iteratively. In this work, the Ramd analysis is used to quantify the performance of a system in terms of reliability, maintainability, availability, and dependability. It is tabulated the impact of subsystem repair and failure rates on reliability, maintainability, availability, and dependability. Inspecting the network's essential subsystems and their maintenance priorities improves the system's stability, maintainability, availability, and dependability while also lowering maintenance costs.
[1] Aly,M. F., Afefy, I.H., Abdel-Magied, R.K and Abd Elhalim. E.K. (2018). A Comprehensive Model of Reliability, Availability, and Maintainability (RAM) for Industrial Systems Evaluations, Jordan Journal of Mechanical and Industrial Engineering, 12(1), 59-67.
[2] Barma, M. and Modibbo, U. M. (2021). Multiobjective Mathematical Optimization Model for Municipal Solid Waste Management with Economic Analysis of Reuse/Recycling Recovered Waste Materials: Solid Waste Optimization. Journal of Computational and Cognitive Engineering. https://doi.org/10.47852/bonviewJCCE149145
[3] Choudhary D, Tripathi M, Shankar R, (2019). Reliability, availability and maintainability analysis of a cement plant: a case study. Int. J Qual. Reliab Manag. https ://doi.org/10.1108/ IJQRM-10-2017-0215.
[4] Corvaro, F., Giacchetta, G., Marchetti, B. and Recanati, M. (2017) ‘Reliability, availability, maintainability (RAM) study, on reciprocating compressors API 618’, Petroleum, Vol. 3, No. 2, pp.266–272.
[5] Danjuma, M.U., Yusuf, B and Yusuf, I. (2022). Reliability, Availability, Maintainability, and Dependability Analysis of Cold Standby SeriesParallel System, Journal of Computational and Cognitive Engineering, 1-8. DOI: 10.47852/bonviewJCCE2202144
[6] Farahani, A., Tohidi, H. (2021). Integrated optimization of quality and maintenance: A literature review, Computers & Industrial Engineering, https://doi.org/10.1016/j.cie.2020.106924
[7] Garg, R and Garg, D. Availability measures and profit optimization of redundant system having single unit with imperfect switch-over device. Life Cycle Reliab Saf Eng (2022). https://doi.org/10.1007/s41872-022-00187-2
[8] Goyal, D., Kumar, A., Saini, M and Josh, H. (2019). Reliability, maintainability and sensitivity analysis of physical processing unit of sewage treatment plant, SN Applied Sciences, 1:1507 | https://doi.org/10.1007/s42452-019-1544-7
[9] Gupta, N., Kumar, A. and Saini, M. (2021) ‘Reliability and maintainability investigation of generator in steam turbine power plant using RAMD analysis’, Journal of Physics, DOI: 10.1088/1742-6596/1714/1/012009.
[10] Khan, R. ., Ullah, K., Pamucar, D., & Bari, M. . (2022). Performance Measure Using a Multi-Attribute Decision Making Approach Based on Complex T-Spherical Fuzzy Power Aggregation Operators. Journal of Computational and Cognitive Engineering. https://doi.org/10.47852/ bonviewJCCE696205514
[11] Kumar, N. and Tewari, P.C. (2018) ‘A review on the reliability, availability and maintainability(RAM) approaches in conceptual progress design’, Proceedings of the International, Conference on Industrial Engineering and Operations Management, Bandung, Indonesia, 6–8 March.
[12] Kumar, A., Singh, R., Saini, M and Dahiya, O. (2020). Reliability, availability and maintainability analysis to improve the operational performance of soft water treatment and supply plant, Journal of Engineering Science and Technology Review 13 (5), 183 – 192
[13] Jagtap, H.P., Bewoor, A.K., Kumar, R., Ahmadi, M.H., Assad, M.E. and Sharifpur, M. (2021)‘RAM analysis and availability optimization of thermal power plant water circulation systemusing PSO’, Energy Reports, Vol. 7, pp.1133–1153 [online]
https://doi.org/10.1016/j.egyr.2020.12.025.
[14] Patil, R.B., Mellal, M.A., Bewoor, A.K and Al-Dahidi, S. (2021). Reliability, Maintainability, and Availability Analysis of a Computerized Numerical Control Machine Tool Using Markov Chains, Acta Polytechnica Hungarica, 18(6), 45-70.
[15] Pourhassan,M.R., Raissi, S and fezalkotob, H. A. (2020) A simulation approach on reliability assessment of complex system subject to stochastic degradation and random shock., Eksploatacja i Niezawodnosc – Maintenance and Reliability, 22 (2): 370–379, http://dx.doi.org/10.17531/ein.2020.2.20.
[16] Pourhassan,M.R., Raissi, S and Apornak, A. (2021). Modeling multi-state system reliability analysis in a power station under fatal and nonfatal shocks: a simulation approach, International Journal of Quality and Reliability Management, DOI 10.1108/IJQRM-07-2020-0244
[17] Raissi, S and Ebadi, S. (2018). A computer simulation model for reliability estimation of a complex system, Int. J. Res. Ind. Eng., 7(1) 19–31.
[18] Reena and Basotia, V. (2020) ‘Reliability and maintainability analysis of cement manufacturing patil’, International Journal of Mechanical and Production Engineering Research and Development, Vol. 10, No. 3, pp.14671–14686.
[19] Saini, M., Kumar, A. and Shankar, V.G. (2020) ‘A study of microprocessor systems using RAMD approach’, Life Cycle Reliability and Safety Engineering [online] https://doi.org/10.1007/ s41872-020-00114-3.
[20] Tsarouhas, P. (2018) ‘Reliability, availability and maintainability (RAM) analysis for wine packaging production line’, Int. J. Qual. Reliab. Manag., Vol. 35, No. 3, pp. 821–84 https://doi.org/10.1108/ IJQRM-02-2017-0026.
[21] Tsarouhas, P. Reliability, Availability, and Maintainability (RAM) Study of an Ice Cream Industry. Appl. Sci. 2020, 10, 4265. https://doi.org/10.3390/app10124265.
