Virtualization for Newbies: Five Types of Virtualization

Although some form of virtualization has been around since the mid-1960s, it has evolved over time, while remaining close to its roots. Much of the evolution in virtualization has occurred in just the last few years, with new types being developed and commercialized. For our purposes, the different types of virtualization are limited to Desktop Virtualization, Application Virtualization, Server Virtualization, Storage Virtualization, and Network Virtualization.

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Virtualization for Newbies: Top Four Reasons to Go Virtual

In general, the idea behind virtualization is to make many from one. As an example, from one physical server using virtualization software, multiple virtual machines can run as if each virtual machine were a separate physical box. In data centers, before virtualization, one or more applications and an operating system would run on their own unique physical server. Since each one of those physical servers needed floor or rack space, there was a problem of the growing size and number of data centers that businesses needed in IT. As more and more physical servers were added to run the ever growing number of virtual machines, this led to “data center sprawl.” Using virtualization to consolidate the number of physical servers reversed the trend of data center sprawl, and companies began to see a cost savings.

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Technology Specific Virtualization Terminology

IT professionals should strive to learn the proper meanings of terms used in the IT virtualization vocabulary and ensure that they and their colleagues share the same definitions. It is mainly vendor-agnostic, but here are some vendor-specific terms, product names, and feature names used by VMware, Citrix, and Microsoft.

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A Guide to Key Virtualization Terminology — Part 2

One of the most important steps in mastering a new technology is learning the associated terminology or vocabulary. In the IT field, this can be a very challenging step, as much of the terminology is often used inconsistently. Here we will define the terms associated with IT virtualization. It is mainly vendor-agnostic, but it does provide some vendor-specific terms, product names, and feature names used by VMware, Citrix, and Microsoft.

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