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Erschienen in:
2012 | OriginalPaper | Buchkapitel
Elastic Virtual Machine for Fine-Grained Cloud Resource Provisioning
verfasst von : Wesam Dawoud, Ibrahim Takouna, Christoph Meinel
Erschienen in: Global Trends in Computing and Communication Systems
Verlag: Springer Berlin Heidelberg
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Elasticity is one of the distinguishing characteristics associated with Cloud computing emergence. It enables cloud resources to auto-scale to cope with workload demand. Multi-instances horizontal scaling is the common scalability architecture in Cloud; however, its current implementation is coarse-grained, while it considers Virtual Machine (VM) as a scaling unit, this implies additional scaling-out overhead and limits it to specific applications. To overcome these limitations, we propose Elastic VM as a fine-grained vertical scaling architecture. Our results proved that Elastic VM architecture implies less consumption of resources, mitigates Service Level Objectives (SLOs) violation, and avoids scaling-up overhead. Furthermore, it scales broader range of applications including databases.