You can make use of virtualization in your on-site data-centers, but if you’re using Azure you’ll definitely be relying on virtual machines to one extent or another. To create virtual servers on physical servers, you use software that sets up divisions between each virtual machine (VM) and allows them all to operate independently. This adds a layer of abstraction between information and the physical infrastructure that hosts it. This in turn gives you more flexibility on how you can manage and protect the various elements of your computing environment.