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Technology Validation
Evaluating the ESX4 Hypervisor and VM Density Advantage Login

Evaluating the ESX4 Hypervisor and VM Density Advantage

In this Technology Validation, Taneja Group reviews the effective performance of VMware ESX 4, Hyper-V R2 (RC) and XenServer 5.5 hypervisors.  Based on our hands-on testing, VMware's ESX4 hypervisor continues to carry a marked advantage in VM density - the number of guest VMs a hypervisor can effectively host - versus the competition.  Our conclusion, VMware has a VM density advantage of 1.8:1 versus the competition, or can effectively virtualize 80% more guests, even under what we think are conditions representing aggressive workloads.  As we've reviewed before, this advantage translates into a lower total cost of acquisition for the VMware virtual infrastructure, making VMware as much as 5% to 29% cheaper than the competition.

Publish date: 09/11/09

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