See " What is Virtual Desktop Infrastructure (VDI)?" for a more in-depth explanation. In this way, VDI lets an organization provide its users access to variety of OS's from any device, without installing OS's on any device. Virtual desktop infrastructure (VDI) runs multiple desktops in VMs on a central server and streams them to users who log in on thin client devices.There are two types of desktop virtualization: In this section, we'll cover the following types of virtualization:ĭesktop virtualization lets you run multiple desktop operating systems, each in its own VM on the same computer. To this point we’ve discussed server virtualization, but many other IT infrastructure elements can be virtualized to deliver significant advantages to IT managers (in particular) and the enterprise as a whole. You can even automate it using management software and build it into existing workflows.įor a more in-depth look at the potential benefits, see " 5 Benefits of Virtualization." Provided that the hardware is already in place, provisioning virtual machines to run all your applications is significantly faster. Faster provisioning: Buying, installing, and configuring hardware for each application is time-consuming.Running multiple redundant physical servers is more expensive. Admins can run multiple redundant virtual machines alongside each other and failover between them when problems arise. Minimal downtime: OS and application crashes can cause downtime and disrupt user productivity.Policies can even increase resource efficiency by retiring unused virtual machines to save on space and computing power. Admins can use virtualization security policies to mandate certain security configurations based on the role of the virtual machine. This means that they can install those services repeatedly and consistently without cumbersome, time-consuming. For example, automated deployment and configuration tools enable administrators to define collections of virtual machines and applications as services, in software templates. This allows you to create automated IT service management workflows. Easier management: Replacing physical computers with software-defined VMs makes it easier to use and manage policies written in software.This enables maximum utilization of the physical hardware’s computing capacity. In contrast, server virtualization lets you run several applications-each on its own VM with its own OS-on a single physical computer (typically an x86 server) without sacrificing reliability. (IT preferred one application and one operating system (OS) per computer for reliability reasons.) Invariably, each physical server would be underused. Resource efficiency: Before virtualization, each application server required its own dedicated physical CPU-IT staff would purchase and configure a separate server for each application they wanted to run.Virtualization brings several benefits to data center operators and service providers: Virtualization enables cloud providers to serve users with their existing physical computer hardware it enables cloud users to purchase only the computing resources they need when they need it, and to scale those resources cost-effectively as their workloads grow.įor a further overview of how virtualization works, see our video “Virtualization Explained”: It is also the technology that drives cloud computing economics. Today, virtualization is a standard practice in enterprise IT architecture. It follows that virtualization enables more efficient utilization of physical computer hardware and allows a greater return on an organization’s hardware investment. Each VM runs its own operating system (OS) and behaves like an independent computer, even though it is running on just a portion of the actual underlying computer hardware. Virtualization uses software to create an abstraction layer over computer hardware that allows the hardware elements of a single computer-processors, memory, storage and more-to be divided into multiple virtual computers, commonly called virtual machines (VMs). Virtualization is a process that allows for more efficient utilization of physical computer hardware and is the foundation of cloud computing.
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