Availability study on cloud computing environments: Live migration as a rejuvenation mechanism
Dependable Systems and Networks（2013）
摘要
With the increasing adoption of cloud computing environments, studies about high availability in those systems became more and more significant. Software rejuvenation is an important mechanism to improve system availability. This paper presents a comprehensive availability model to evaluate the utilization of the live migration mechanism to enable VMM rejuvenation with minimum service interruption. Live migrations are performed observing a time-based trigger. We evaluate five different scenarios, with distinct time intervals for triggering the rejuvenation. The results show that the live migration can significantly reduce the system downtime.
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关键词
system downtime,vmm rejuvenation,software rejuvenation,cloud computing environments,high availability,live migration mechanism utilization evaluation,software aging and rejuvenation,system availability improvement,comprehensive availability model,software rejuvenation mechanism,time intervals,time-based trigger,availability,virtual machines,cloud computing,live migration mechanism,availability study,rejuvenation mechanism,important mechanism,service interruption,live migration,system availability,software engineering,system downtime reduction,cloud computing environment,aging,servers,steady state,maintenance engineering
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