Server virtualization infrastructure and architecture Definitions

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  • S

    storage pools

    Storage pools are capacity aggregated from disparate physical storage resources in a shared storage environment.

  • stretched cluster

    A stretched cluster is a deployment model in which two or more virtualization host servers are part of the same logical cluster but located in separate geographical locations.

  • V

    virtual

    In computing, virtual is a digitally replicated version of something real. The replication, which is created with software, may not be an exact copy of the real thing, but it is similar enough in essence to be described as a digital rendition.

  • virtual appliance

    A virtual appliance is a virtual machine image file consisting of a pre-configured operating system environment and a single application. The purpose of a virtual appliance is to simplify delivery and operation of an application. To this end, only necessary operating system components are included.

  • 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 hard drive

    A virtual hard drive file is a container file that acts similar to a physical hard drive.

  • virtual machine (VM)

    A virtual machine (VM) is a software computer that, like a physical computer, runs an operating system and applications.

  • virtual networking

    Virtual networking is a technology that facilitates the control of one or more remotely located computers or servers over the Internet... (Continued)

  • 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 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 switch

    A virtual switch is a software program that allows one virtual machine (VM) to communicate with another.

  • virtualization

    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.

  • 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. 

  • 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 vRealize Automation (VMware vCloud Automation Center, vCAC)

    VMware vRealize Automation, formerly called vCloud Automation Center, is a software product for unified cloud management. vRealize Automation provides administrators with the ability to provision and configure storage, network and compute resources across multiple private and hybrid cloud platforms.

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