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

Mohamed Escheikh | Zendy; Zayneb Tayachi | Zendy; Kamel Barkaoui | Zendy

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

Author(s) -

Mohamed Escheikh,

Zayneb Tayachi,

Kamel Barkaoui

Publication year - 2019

Publication title -

international journal of critical computer-based systems

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.146

H-Index - 10

eISSN - 1757-8787

pISSN - 1757-8779

DOI - 10.1504/ijccbs.2019.104491

Subject(s) - computer science , workload , burstiness , virtual machine , software , operating system , distributed computing , virtualization , metric (unit) , embedded system , computer network , engineering , cloud computing , network packet , operations management

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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