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Windows Server 2008 and Microsoft virtualization blog

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Microkernelized hypervizor

In the last post from the series “Virtualization types”, I’m gonna explain you microkernelized hypervizor, model that is used in Windows Server 2008 for server virtualization. Comparing to monolithic hypervizor, microkernelized hypervizor has no drivers running within it. Instead, all drivers are run in each partition so that each guest OS running within a virtual [...]

Monolithic hypervizor

In the monolithic model of Type 1 virtualization, the hypervizor has it’s own drivers for accessing the hardware beneath it. Guest OSs run in VMs on the top of the hypervizor, and when a guest needs to access hardware it does so through the hypervizor and it’s driver model. Typically, one of these guest OSs [...]

Type 1 virtualization

A third type of virtualization technology available today is Type 1 VMM, or hypervizor technology. A hypervisor is layer of software that sits just above the hardware and beneath one or more operating systems. Its primary purpose is to provide isolated execution environments, called partitions, withing which virtual machines containing guest OSs can run. Each [...]

Hybrid virtualization

Let’s continue with our virtualization school for beginners. In my previous post, I have explained Type 2 virtualization. In this post, I’ll give you simple schema and description of Hybrid virtualization. In this virtualizaton type, both host OS and Virtual Machine Manager (VMM) run directly on the hardware, but with different levels of access to [...]

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 [...]

Installing role in Windows Server 2008

In this post I’m going to explain you how to install Domain Name System (DNS) role in Windows Server 2008. You can use this tutorial to install all other roles, procedure is almost the same, just for every other role you have different options to choose. So, here we are, in Server Manager window, and [...]