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SLA-aware resource over-commit in an IaaS cloud

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5 Author(s)
Breitgand, D. ; Cloud Oper. Syst. Technol., IBM Haifa Res. Lab., Haifa, Israel ; Dubitzky, Z. ; Epstein, A. ; Glikson, A.
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Cloud paradigm facilitates cost-efficient elastic computing allowing scaling workloads on demand. As cloud size increases, the probability that all workloads simultaneously scale up to their maximum demand, diminishes. This observation allows multiplexing cloud resources among multiple workloads, greatly improving resource utilization. The ability to host virtualized workloads such that available physical capacity is smaller than the sum of maximal demands of the workloads, is referred to as over-commit or over-subscription.

Published in:

Network and service management (cnsm), 2012 8th international conference and 2012 workshop on systems virtualiztion management (svm)

Date of Conference:

22-26 Oct. 2012