Server Virtualization Definitions

This glossary explains the meaning of key words and phrases that information technology (IT) and business professionals use when discussing server virtualization and related software products. You can find additional definitions by visiting WhatIs.com or using the search box below.

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  • V

    virtualization stack

    A virtualization stack is the collection of resources that, along with the hypervisor, make up the Microsoft Hyper-V environment.

  • Virtuozzo

    Virtuozzo is a software application for enterprise server virtualization that allows an administrator to create virtual environments on a host computer at the operating system (OS) layer... (Continued)

  • VM BIOS (virtual machine basic input/output system)

    A VM BIOS (virtual machine basic input/output system) is the set of instructions that controls the booting process of a virtual machine.

  • VM stall

    VM stall is the point where it becomes just as cost-effective to deploy a physical server as it is to deploy a virtual server.

  • VMDK file (virtual machine disk file)

    VMware Virtual Machine Disk File (VMDK) is a format specification for virtual machine (VM) files. A file with a .VMDK file extension is essentially a complete and independent virtual machine.

  • VMQ (Virtual Machine Queue)

    VMQ (Virtual Machine Queue) is a type of hardware packet filtering that delivers packet data from an outside virtual machine network directly to a virtualized host operating system. 

  • VMUG Advantage (VMware User Group Advantage)

    VMUG Advantage is a subscription-based membership offered by VMware User Group (VMUG).

  • VMware Certified Associate

    VMware Certified Associate (VCA) is VMware's entry-level cloud and virtualization certification.

  • VMware EVALExperience

    VMware EVALExperience is a new subscription program provided by VMware and VMUG to give users year-long trial access to popular VMware data center products.

  • VMware Instant Clone (VM Fork)

    VMware Instant Clone is a feature within vSphere that enables an administrator to rapidly clone, or fork, an existing virtual machine.

  • VMware memory overcommit

    Memory overcommit is the memory allocation feature for Vmware.

  • VMware Photon Platform

    VMware Photon Platform is a container runtime and set of management and security tools to deploy and manage a large-scale container deployment.

  • VMware Project Bonneville

    VMware Project Bonneville allows administrators to provision and manage containers through vSphere by hosting containers as VMs.

  • VMware Project Lightwave

    VMware Project Lightwave is an open source project designed to improve container security and access control.

  • VMware Project Photon

    VMware Project Photon is an open source project developed by VMware as a lightweight operating system for containers.

  • VMware Technology Network (VMTN)

    VMware Technology Network (VMTN) is a now defunct subscription service that offered evaluation versions of VMware software.

  • VMware Tools

    VMware Tools is an optional, free set of drivers and utilities that enhances both the performance of a virtual machine’s guest operating system and interaction between the guest and the host.

  • VMware vCenter Multi-Hypervisor Manager (MHM)

    VMware vCenter Multi-Hypervisor Manager (MHM) is a free component of vCenter Standard Edition that provides support for multiple hypervisors in vCenter Server.

  • VMware vCenter Operations Management Suite

    The VMware vCenter Operations Management Suite is a collection of infrastructure-management products for virtual data centers.

  • VMware vCloud Air

    VMware vCloud Air is an Infrastructure as a Service offering based on VMware’s vCenter. VMware renamed its cloud computing service, which was formerly called vCloud Hybrid Service, as part of a larger rebranding strategy that coincided with VMworld 2014.

  • VMware vFRC (VMware vSphere Flash Read Cache)

    VMware vFRC (VMware vSphere Flash Read Cache) is a feature that allows a virtualization host to use a local solid-state drive as a caching layer for virtual machines.

  • VMware vRealize Suite

    VMware vRealize Suite, formerly called vCenter Operations Management Suite, is a software platform designed to help IT administrators build and manage heterogeneous, hybrid clouds.

  • VMware vSphere Metro Storage Cluster (VMware vMSC)

    VMware vSphere Metro Storage Cluster (VMware vMSC) is a configuration option, introduced in vSphere 5, that allows for the use of stretched clusters that are spread across geographical locations.

  • VMware vSphere Site Recovery Manager (SRM)

    VMware vSphere Site Recovery Manager (SRM) is a disaster recovery management product from VMware that provides automated failover and disaster recovery testing.

  • VSMP (virtual symmetric multiprocessing)

    VSMP (virtual symmetric multiprocessing) is a method of SMP (symmetric multiprocessing) in which two or more virtual processors are mapped inside a single virtual machine or partition... (Continued)

  • W

    Windows Azure Hyper-V Recovery Manager

    Windows Azure Hyper-V Recovery Manager is a cloud-based service that automates the backup and recovery of Hyper-V virtual machines (VMs).

  • Windows File Share Witness (FSW)

    A Windows File Share Witness is a file share available to nodes in a high availability cluster. The feature helps ensure cluster operations can continue in the event of a node failure.

  • X

    Xen

    Xen is the open source hypervisor included in the Linux kernel and, as such, it is available in all Linux distributions.

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