VMware Inc. offers several flavors of its vSphere server virtualization infrastructure suite. In this guide to vSphere editions and features, we break down the differences between vSphere versions, review vSphere installation concerns, discuss vSphere pricing and, finally, discuss vSphere's role in cloud computing. Whether server consolidation, server management or moving to the cloud is your goal, this vSphere guide helps determine which vSphere edition makes the most sense for your virtualization environment and business needs.
What is vSphere?
VSphere is VMware's flagship server and infrastructure virtualization platform. VMware vSphere is sold as a single product but, in fact, is a suite of products made up of multiple pieces. VSphere is sold in various editions and the features offered are based on the edition you purchase.
VMware's vSphere editions differ from Microsoft Windows Server virtualization in that vSphere has many editions of the same product but each has a different feature-set. On the other hand, Microsoft's Hyper-V is an add-on to Windows Server 2008 which offers various editions but the virtualization features don't vary. To add to the confusion, vSphere was previously named VMware Infrastructure suite
What are vSphere 4 features?
Each edition of vSphere includes ESX or ESXi as its virtualization hypervisor which is loaded on each physical server. Just as critical are the vSphere 4 features that make ESX and ESXi so powerful.
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