Server virtualization infrastructure and architecture Definitions

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  • N

    nested virtualization

    Nested virtualization describes the process of running a hypervisor within another hypervisor.

  • Network Load Balancing (NLB)

    Network Load Balancing is a Windows Server feature that can distribute network traffic among multiple servers.

  • network virtualization

    Network virtualization is a method of combining the available resources in a network to consolidate multiple physical networks, divide a network into segments or create software networks between virtual machines (VMs).

  • O

    OpenStack Foundation

    The OpenStack Foundation manages and oversees the development of the OpenStack open source cloud platform.

  • Our Favorite Technology Blogs

    A comprehensive listing of information technology-related blogs selected by the editors of WhatIs.com that cover selected industry verticals and technologies.

  • P

    Parallel Virtual Machine (PVM)

    Parallel Virtual Machine (PVM) is a program that enables distributed computing among networked computers on different platforms, so that they can perform as a single, large unit for computer-intensive applications... (Continued)

  • paravirtualization

    Paravirtualization (PV) is an enhancement of virtualization technology in which a guest operating system (guest OS) is modified prior to installation inside a virtual machine in order to allow all guest OS within the system to share resources and successfully collaborate, rather than attempt to emulate an entire hardware environment.

  • platform

    A computer platform is an underlying computer system on which application programs can run, or, in general, any base of technologies on which other technologies or processes are built.

  • PowerPC

    PowerPC is a microprocessor architecture that was developed jointly by Apple, IBM, and Motorola.

  • S

    server hardware degradation

    Server hardware degradation is the gradual breakdown of the physical parts of a server.

  • server virtualization

    Server virtualization is the masking of server resources, including the number and identity of individual physical servers, processors, and operating systems, from server users.

  • service virtualization

    Service virtualization is the process of creating replicas of systems that new applications depend on to test how well the application and systems integrate.

  • shared nothing live migration

    Shared nothing live migration is a term used to describe the process of moving a virtual machine (VM) from one physical host to another, without the need for clustering or a common shared storage location.

  • SPARC (Scalable Processor Architecture) 

    SPARC (Scalable Processor Architecture) is a 32- and 64-bit microprocessor architecture from Sun Microsystems that is based on reduced instruction set computing (RISC).

  • STONITH (Shoot The Other Node In The Head)

    STONITH (Shoot The Other Node In The Head) is a Linux service for maintaining the integrity of nodes in a high-availability (HA) cluster. 

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