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Algorithms for Automated Live Migration of Virtual Machines
Blekinge Institute of Technology, Faculty of Computing, Department of Computer Science and Engineering.
Blekinge Institute of Technology, Faculty of Computing, Department of Communication Systems.
2015 (English)In: Journal of Systems and Software, ISSN 0164-1212, Vol. 101, 110-126 p.Article in journal (Refereed) Published
Abstract [en]

We present two strategies to balance the load in a system with multiple virtual machines (VMs) through automated live migration. When the push strategy is used, overloaded hosts try to migrate workload to less loaded nodes. On the other hand, when the pull strategy is employed, the light-loaded hosts take the initiative to offload overloaded nodes. The performance of the proposed strategies was evaluated through simulations. We have discovered that the strategies complement each other, in the sense that each strategy comes out as “best” under different types of workload. For example, the pull strategy is able to quickly re-distribute the load of the system when the load is in the range low-to-medium, while the push strategy is faster when the load is medium-to-high. Our evaluation shows that when adding or removing a large number of virtual machines in the system, the “best” strategy can re-balance the system in 4–15 minutes.

Place, publisher, year, edition, pages
Elsevier (ScienceDirect) , 2015. Vol. 101, 110-126 p.
Keyword [en]
live migration, virtualization, load balancing
National Category
Computer Science
URN: urn:nbn:se:bth-6331DOI: 10.1016/j.jss.2014.11.044ISI: 000349507000009Local ID: diva2:833828
Available from: 2015-05-26 Created: 2014-12-15 Last updated: 2015-09-17Bibliographically approved

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Lundberg, LarsIlie, Dragos
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