VMware Definitions

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

  • A

    affinity rules

    Affinity rules are settings that establish a relationship between two or more VMware virtual machines (VMs) and hosts.

  • B

    beacon probing

    Beacon probing is a networking troubleshooting feature in VMware vSphere that pinpoints failures with physical Ethernet adapters and physical switches.

  • bubble network

    A bubble network is a series of interconnected virtual machines (VMs) that communicate through a virtual network switch (vSwitch) and remain isolated from the physical network.

  • C

    Changed Block Tracking (CBT)

    VMware Changed Block Tracking is an incremental backup technology for virtual machines (VMs), comparable to snapshot differential or backup delta block.

  • Cisco Discovery Protocol

    The Cisco Discovery Protocol is a Layer-2 protocol used to share data about other Cisco equipment that is directly connected nearby.

  • corporate VM (corporate virtual machine)

    A corporate VM (corporate virtual machine) is a virtual computing environment (VM) that is allocated to an end user for business use.

  • D

    Distributed Execution Manager (DEM)

    The Distributed Execution Manager is a VMware vCloud Automation Center tool that executes the business logic of custom models. Each DEM instance performs one of two roles, Worker or Orchestrator, to create and monitor workflows.

  • E

    embedded hypervisor

    An embedded hypervisor is a hypervisor that is programmed (embedded) directly into a processor, personal computer (PC) or server. This architecture offers convenience at the cost of some flexibility compared with conventional hypervisors ... (Continued)

  • esxtop

    Esxtop is a command-line tool that gives you real-time information on resource usage in your vSphere environment.

  • H

    hardware virtualization

    Hardware virtualization is the abstraction of computing resources from the software that uses those resources. Today, hardware virtualization is often called server virtualization or, simply, virtualization.

  • Host OS (host operating system)

    A host OS is the software installed on a computer that interacts with the underlying hardware in a computer using virtualization technology.

  • Hybrid DMZ Reference Designs for vCloud Air

    Hybrid DMZ Reference Designs for vCloud Air are a series of recommended architectures, or designs, created to help users introduce the tools, resources and services commonly found in on-premises data centers to the public cloud.

  • L

    lldpnetmap

    Lldpnetmap is a troubleshooting command that displays to which physical switch an ESXi host is connected.

  • M

    mirror driver

    A mirror driver is a Windows device driver used in extended desktops, remote desktop software and assistive technology.

  • monster VM (monster virtual machine)

    A monster virtual machine is a virtual machine (VM) that typically has more than eight virtual CPUs (vCPUs) and more than 255 GB of virtual RAM.

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