Virtualization is a technology that allows running two or more operating systems side-by-side on just one PC or embedded controller, and it is rapidly being adopted in the engineering world.While the word “Virtualization” is simply another term for abstraction, in practice it allows engineers to save cost, reduce footprint, and consolidate systems in ways that were not previously possible.

    For example, consider a common engineering application that can benefit from Virtualization （running multiple operating systems in parallel）。Today, many designers need to take advantage of real-time processing or control while providing a graphical user interface.While traditionally this would have required two physical computers （one for each operating system）， Virtualization enables running both operating systems on the same PC or embedded controller.Eliminating the need for an extra computer means a better integrated overall system, a savings in cost, and a reduction in footprint.

    Virtualization can also help engineers better utilize their available processing hardware to build more efficient systems.As multicore processors with 4, 8, and 16 cores on a chip become commonplace, many processor cores are likely to be underutilized in a typical system.Most applications will have only a finite amount of parallel tasks that can be executed at a given time, leaving many processor cores idle.Virtualization software can help solve this challenge by allocating groups of processor cores to individual operating systems running in parallel.Simply put, Virtualization allows processing that would have been achieved on multiple computers to run on just one powerful multicore processor.

    It is important to note that Virtualization is not only being used in the engineering domain.Many information technology （IT） companies have used Virtualization to consolidate large groups of servers at a savings that can reach millions of dollars.This paper will specifically outline the major benefits that Virtualization can provide engineers, and provide an introduction to the types of Virtualization software on the market today.
 

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