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Journal Articles International Journal of Critical Computer-Based Systems Year : 2019

Performability modelling and analysis of server virtualised systems subject to workload-dependent software aging

Abstract

This paper tackles performability modelling and analysis of versatile server virtualised systems subject to workload-dependent software aging, failures and rejuvenation. We develop a modular modelling approach based on stochastic reward nets to investigate dependencies between several server virtualised system modules including virtual machine monitor, virtual machine, data intensive applications and workload-aware power management mechanism. Two case studies are considered, each of them accounts for a specific virtual machine monitor rejuvenation technique (Cold-VM or Migrate-VM). We show through numerical analysis how steady-state availability and power-performance metric are impacted by workload-dependent software aging and workload burstiness.
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Dates and versions

hal-02475595 , version 1 (07-03-2022)

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Zayneb Tayachi, Mohamed Escheikh, Kamel Barkaoui. Performability modelling and analysis of server virtualised systems subject to workload-dependent software aging. International Journal of Critical Computer-Based Systems, 2019, 9 (3), pp.248-292. ⟨10.1504/IJCCBS.2019.104491⟩. ⟨hal-02475595⟩
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