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Implementing VMware vCenter Server by Konstantin Kuminsky

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VMware terminologies – vSphere, ESX, ESXi, hypervisor, and VMFS

There is a lot of confusion out there regarding VMware terminology. Part of the issue is that VMware has been changing terminology with every new version. In this section, we'll describe a few important terms that are widely used and which will also be used in this book.

VMware vSphere is VMware's server virtualization suite. This software bundle was called VMware Infrastructure 3 (VI3). When VMware Infrastructure 3.5 (VI3.5) was in development, vSphere was considered as an advanced suite of tools utilizing VMware ESX/ESXi4. At the same time, VMware was developing VMware Infrastructure 4 and eventually vSphere 4 was announced and released in May 2009 instead of VI4.

In November 2009, ...

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