The virtualization Layer is an additional abstraction layer between network and storage hardware, computing, and the application running on it. Suspending an application is mandatory during a Physical-to-Virtual conversion process to ensure all changes are migrated to the newly created virtual machine correctly. This virtualization layer is called a VM monitor, as shown in the following figure. Virtualization is a good way to use and distribute system resources efficiently. This topic discusses some of the key similarities and differences between containers and virtual machines, and when you might want to use each. So it's only natural for layers to be a part of application virtualization. Virtualization doesn’t have to simulate an entire server, as this technology can also virtualize individual application layers or desktops: With application virtualization, users can run applications in an separate form regardless of the operating system in use. Figure 1 Virtualized architecture # Virtualized Architecture Microsoft Softgrid is an example of Application virtualization. Earth itself is made up of layers. Layers are everywhere. Containers and virtual machines each have their uses–in fact, many deployments of containers use virtual machines as the host operating system rather than running directly on the hardware, especially when running containers in the cloud. Anyone who goes out in the frigid cold of winter puts on layers to stay warm. A layer of software, called the virtualization layer, exists between a host machine and a VM to simulate virtual hardware. Virtualization is the creation of a virtual -- rather than actual -- version of something, such as an operating system (OS), a server, a storage device or network resources.. Virtualization uses software that simulates hardware functionality in order to create a virtual system. Most commonly, it refers to running multiple operating systems on a computer system simultaneously. After that, the application is sent from the server to the devices of the end users. At a wedding, there's bound to be layer cake. Instead, the application resides on a virtual machine on a server in a different location and using the operating system of that remote server. A virtualization architecture is a conceptual model specifying the arrangement and interrelationships of the particular components involved in delivering a virtual-- rather than physical -- version of something, such as an operating system (), a server, a storage device or network resources.. Virtualization is the process of running a virtual instance of a computer system in a layer abstracted from the actual hardware. Examples of type 2 hypervisors include VMware Workstation, KVM, Oracle VM VirtualBox, Microsoft Virtual PC, Red Hat Enterprise Virtualization and others. 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