Microsoft Hyper-V R2, VMware ESX Server In Review

Microsoft Hyper-V R2, and VMware ESX Server are reviewed and compared in this article by author Michael Otey on Windows It Pro. Otey examines both the similarities and differences as well as significant changes that occurred in each platform. Although the ESX Server 4.1 remains the enterprise leader in the server virtualization marketplace, Hyper-V has seen growth of 127 percent over the past year.

"The capabilities offered by Hyper-V and by ESX Server are quite similar. Both offer high degrees of host and VM scalability, and both can provide excellent of server consolidation by supporting up to 1TB of RAM and 64 cores on the virtualization hosts. For VM scalability, Hyper-V Server 2008 R2 supports VMs that have up to 64GB of RAM and four virtual CPUs. ESX Server 4.1 supports VMs that have up to 255GB of RAM and 4 virtual CPUs. The Enterprise Plus edition of vSphere pushes the bar even higher by supporting up to eight virtual CPUs. Table 1 summarizes the primary specifications for Hyper-V Server 2008 R2 and VMware ESX Server 4.1.”

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