Browse Definitions :

Virtualization

Terms related to virtualization, including definitions about virtualization technologies and words and phrases about server virtualization, desktop virtualization and storage virtualization.

VIR - VMW

  • virtual - In computing, virtual is a digitally replicated version of something real.
  • virtual address - A virtual address is a binary number in virtual memory that enables a process to use a location in primary storage (also called main memory) independently of other processes, and to use more space than actually exists in primary storage.
  • virtual agent (intelligent virtual agent or virtual rep) - A virtual agent (sometimes called an intelligent virtual agent, virtual rep or chatbot) is used to describe a program based in artificial intelligence (AI) that provides automated customer service.
  • virtual area network (VAN) - A virtual area network (VAN) is a network on which users are enabled to share a more visual sense of community through high band-width connections.
  • virtual call center - A virtual call center is a call center in which the organization's representatives are geographically dispersed, rather than being situated at work stations in a building operated by the organization.
  • virtual circuit - A virtual circuit is a circuit or path between points in a network that appears to be a discrete, physical path but is actually a managed pool of circuit resources from which specific circuits are allocated as needed to meet traffic requirements.
  • virtual commerce (vCommerce, v-commerce, or vCom) - Virtual commerce (sometimes known as vCommerce, v-commerce, or vCom) is a type of application, service, or product feature that helps enterprises implement strategies and design Web sites for e-commerce (the buying and selling of goods and services using the Internet).
  • virtual community - A virtual community is a community of people sharing common interests, ideas, and feelings over the Internet or other collaborative networks.
  • virtual CPU (vCPU) - A virtual CPU (vCPU) also known as a virtual processor, is a physical central processing unit (CPU) that is assigned to a virtual machine (VM).
  • Virtual Dedicated Graphics Acceleration (vDGA) - Virtual Dedicated Graphics Acceleration (vDGA) is a graphics-acceleration function that bypasses the ESXi hypervisor to tie a dedicated GPU in the ESXi host directly to a Horizon View virtual desktop to provide near-native performance.
  • virtual desktop - A virtual desktop is a computer operating system that does not run directly on the endpoint hardware from which a user accesses it.
  • virtual desktop infrastructure (VDI) - Virtual desktop infrastructure (VDI) is the practice of hosting a desktop operating system within a virtual machine (VM) running on a centralized server.
  • virtual desktop manager - A virtual desktop manager is a program that allows a computer user to have more than one user interface available simultaneously on a single computer.
  • virtual desktop pool - A virtual desktop pool is a group of virtual desktops that are hosted on identically configured virtual machines.
  • virtual device driver - In certain Microsoft operating systems, a virtual device driver is a program that handles software interrupts from the operating system (rather than hardware interrupts) for each of the computer's main hardware devices, including the hard disk drive controller, keyboard, and serial and parallel ports.
  • Virtual File Allocation Table (VFAT) - Virtual File Allocation Table (VFAT) is the part of the Windows 95 and later operating system that handles long file names, which otherwise could not be handled by the original file allocation table file allocation table (FAT) programming.
  • virtual file system (VFS) - A virtual file system (VFS) is programming that forms an interface between an operating system's kernel and a more concrete file system.
  • virtual firewall - A virtual firewall is a firewall device or service that provides network traffic filtering and monitoring for virtual machines (VMs) in a virtualized environment.
  • virtual floppy disk - A virtual floppy disk is an alternative to the traditional floppy that exists as a file rather than a physical medium.
  • virtual GPU (vGPU) - A virtual GPU is a computer processor that renders graphics on a server rather than on a physical endpoint device.
  • virtual hard disk (VHD) - Virtual hard disk (VHD) is a disk image file format for storing the complete contents of a hard drive.
  • virtual hard drive - A virtual hard drive file is a container file that acts similar to a physical hard drive.
  • virtual hosting - On the Internet, virtual hosting is the provision of Web server hosting services so that a company (or individual) doesn't have to purchase and maintain its own Web server and connections to the Internet.
  • Virtual Instrument file (vi or .vi) - Virtual Instrument file is used by National Instruments' LabVIEW development software.
  • virtual ISP (virtual Internet service provider, VISP or vISP) - A virtual ISP (virtual Internet service provider, sometimes abbreviated as VISP or vISP) is a company that offers Internet services under its own company or brand name, while actually using the equipment and facilities of another ISP to provide those services.
  • virtual keyboard - A virtual keyboard is a computer keyboard that a user operates by typing on or within a wireless- or optical-detectable surface or area rather than by depressing physical keys.
  • virtual machine (VM) - A virtual machine (VM) is a software computer that, like a physical computer, runs an operating system and applications.
  • virtual machine configuration - Virtual machine configuration is the arrangement of resources assigned to a virtual machine.
  • virtual machine escape - Virtual machine escape is an exploit in which the attacker runs code on a VM that allows an operating system running within it to break out and interact directly with the hypervisor.
  • virtual machine lifecycle management (VMLM) - Virtual machine lifecycle management is a set of processes designed to help administrators oversee the implementation, delivery, operation, and maintenance of virtual machines (VMs) over the course of their existence.
  • virtual machine replication - Virtual machine replication is a process used by information technology (IT) professionals to create backup versions of virtual machines (VMs) The backup can be kept and used to restore the machine in the event that its data is corrupted or lost.
  • virtual machine snapshot - A virtual machine snapshot is a file-based representation of the state of a virtual machine at a given time.
  • virtual memory - Virtual memory is a memory management capability of an operating system (OS) that uses hardware and software to allow a computer to compensate for physical memory shortages by temporarily transferring data from random access memory (RAM) to disk storage.
  • virtual memory ballooning - Virtual memory ballooning allows a physical host to recapture unused memory on its guest virtual machines and allocate the resource where needed.
  • virtual microscopy - Virtual microscopy is a method of posting microscope images on, and transmitting them over, computer networks.
  • virtual mobile infrastructure (VMI) - Virtual mobile infrastructure (VMI) is a delivery platform which does not require an application or operating system (OS) to run locally on a mobile device.
  • virtual NAS - Virtual NAS is a virtual machine (VM) that acts as a file server for network-attached storage (NAS).
  • virtual network adapter - A virtual network adapter is a program (instead of a physical network adapter) that allows a computer to connect to a network.
  • virtual network computing (VNC) - Virtual network computing (VNC) is a type of remote-control software that makes it possible to control another computer over a network connection.
  • virtual networking - Virtual networking is a technology that facilitates the control of one or more remotely located computers or servers over the Internet.
  • virtual organization - A virtual organization or company is one whose members are geographically apart, usually working by computer e-mail and groupware while appearing to others to be a single, unified organization with a real physical location.
  • Virtual PC - Virtual PC is a program that emulates Windows 95, Windows 98, Windows NT, as well as IBM OS/2, or Linux on a Macintosh personal computer, assuming it's equipped with a sufficiently fast microprocessor.
  • virtual phone number - A virtual phone number is a telephone number is used to route calls to the user's actual phone number or numbers.
  • virtual private LAN service (VPLS) - Virtual private LAN service (VPLS) is a technology that makes it possible to connect geographically dispersed local area networks (LANs) logically over the Internet.
  • virtual private server (VPS) or virtual dedicated server (VDS) - A virtual private server (VPS), also called a virtual dedicated server (VDS), is a virtual server that appears to the user as a dedicated server, but that is actually installed on a computer serving multiple websites.
  • virtual provisioning - Virtual provisioning is a term used by vendors, such as EMC, to describe a process of efficiently provisioning space in storage area networks (SAN).
  • virtual reality - Virtual reality is an artificial environment that is created with software and presented to the user in such a way that the user suspends belief and accepts it as a real environment.
  • virtual SAN appliance (VSA) - A virtual SAN appliance (VSA) is a software bundle that allows a storage manager to turn the unused storage capacity in his network's virtual servers into a storage area network (SAN).
  • virtual server - On the Internet, a virtual server is a server (computer and various server programs) at someone else's location that is shared by multiple Web site owners so that each owner can use and administer it as though they had complete control of the server.
  • virtual server backup - Virtual server backup is the copying of data stored on a virtual server to guard against data loss.
  • virtual server farm - A virtual server farm is a networking environment that employs multiple application and infrastructure servers running on two or more physical servers using a server virtualization program such as VMware or Microsoft Virtual Server.
  • virtual storage - Virtual storage is the pooling of physical storage from multiple network storage devices into what appears to be a single storage device that is managed from a central console.
  • virtual storage appliance (VSA) - A virtual storage appliance (VSA) is a storage controller that runs on a virtual machine(VM) to create shared storage without the cost of additional hardware.
  • virtual storage area network (VSAN) - A virtual storage area network (VSAN) is a logical partition in a storage area network (SAN).
  • Virtual Storage Portal (VSP) - Another meaning for VSP is vertical solutions provider.
  • virtual switch - A virtual switch is a software program that allows one virtual machine (VM) to communicate with another.
  • virtual tape - Virtual tape is an archival storage technology that makes it possible to save data as if it were being stored on tape although it may actually be stored on hard disk or on another storage medium.
  • virtual to physical (V2P) - Virtual to physical (V2P) is a term that refers to the migration of an operating system (OS), application programs and data from a virtual machine or disk partition to a computer's main hard disk.
  • Virtual to virtual (V2V) - Virtual to virtual (V2V) is a term that refers to the migration of an operating system (OS), application programs and data from a virtual machine or disk partition to another virtual machine or disk partition.
  • virtualization - Virtualization is the creation of a virtual version of something, with the goal of centralizing administrative tasks while improving scalability and workloads.
  • virtualization administrator - A virtualization administrator is an employee whose responsibilities include virtual environment set up and maintenance, in addition to traditional sysadmin duties.
  • virtualization architecture - A virtualization architecture is a conceptual model specifying the overall structure, logical components and interrelationships of the elements involved in delivering a virtual -- rather than physical -- version of something, such as an operating system (OS), a server, a storage device or network resources.
  • virtualization sprawl (VM sprawl) - Virtualization sprawl is a phenomenon that occurs when the number of virtual machines (VMs) on a network reaches a point where the administrator can no longer manage them effectively.
  • virtualization stack - A virtualization stack is the collection of resources that, along with the hypervisor, make up the Microsoft Hyper-V environment.
  • VLAN (virtual LAN) - A VLAN (virtual LAN) is a subnetwork which can group together collections of devices on separate physical local area networks (LANs).
  • VM automation - VM automation is the ability for a virtual machine (VM) to perform basic functions and optimize performance on its own or with minimal manual input.
  • 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.
  • VMkernel - VMkernel is a POSIX-like operating system developed by VMware.
  • vmkfstools - Vmkfstools is an ESXi Shell command line interface (CLI) for building and managing volumes and virtual disks on an ESX/ESXi host.
  • vmkping - Vmkping is a command used to verify and troubleshoot VMkernel network connectivity.
  • 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 (VMware User Group) - A VMUG (VMware User Group) is an international community of VMware users whose goal is to share knowledge.
  • VMUG Advantage (VMware User Group Advantage) - VMUG Advantage is a subscription-based membership offered by VMware User Group (VMUG).

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