It can operate in the real world as a single, physical server or his mind (still reliant on his physical brain) can go virtual. In this metaphor, Neo’s body is the physical hardware. The hypervisor allocates resources to VMs or, in other words, manages the physical resources, such as CPU, memory, and storage, that execute functions in the VM environments. The hypervisor is the boss of virtual machines, which we’ll call VMs from here on. What makes a hypervisor a hypervisor is what it’s used for-it creates, monitors, and manages virtual machines. (We’ll get to the advantages of a virtualization environment in a moment.)Ī hypervisor might be hardware, or it could be a program to manage virtual machines, whether software or firmware. Now, a single piece of equipment in the physical world can actually look and act like multiple independent servers in the virtual world. This technology allows multiple virtual machines to run on one server. It was a fine way to do things, but limited.Įnter virtualization. There was no partitioning and workloads affected each other. In that era, each physical server could only have one operating system. Think back to the early days of computing. To understand what a hypervisor is, you must know about virtual machines, an advance on physical servers. If that definition isn’t intuitive for you, allow us to take one step back. You’ll sometimes see the same technology referred to as a ‘virtual machine monitor,’ or VMM, which is a reasonable encapsulation of what a hypervisor does. Let’s embark! What Is a Hypervisor?Ī hypervisor is a type of software or hardware used to create virtual machines and then run those virtual machines day to day. The first step is understanding the purpose of a hypervisor, the types you have to choose from, and the basics of how this technology works. Or maybe you’ve just heard of the resource-efficiency and cost-control possibilities of virtualization and are wondering how to get there. If you’ve managed virtual machines or even worked with a computer that can dual boot into, say, Windows or Linux, you’ve likely interacted with a hypervisor. Hypervisors have become a key component to most enterprises’ virtual infrastructure and even many IT pros’ personal PC environments. The 4 Biggest Benefits of Hypervisor Virtualization
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