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Type 2 virtualization
In next few posts, I’m gonna try to explain all types of virtualization. So, let’s start with first and easiest type, Type 2. At the bottom of the model is, of course, hardware. Above it is host operating system, for example, Windows Vista. Above host OS is Virtual Machine Manager (VMM), whose role is to create and manage virtual machines, manage resources and keep machines isolated from each other. On the top of the VMM we have guest virtual machines, which are in this case Java or .NET applications. So, that means that VMM is Java Virtual Machine or .NET Framework.
Now you can that you already had at least one type of virtualization on your PC, because almost every Windows based PC has .NET framework installed on it. Every Java or .NET application that you start is virtual machine. To access hardware, virtual machine has to go through VMM and host OS, so performance is not the best in this scenario.
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By Ilija Brajkovic | October 18, 2008
Tags: tutorial, type2, virtualization
Category: virtualization | View Comments
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