Browse Definitions :

Virtualization

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

GUE - OVE

  • guest OS (guest operating system) - A guest OS (guest operating system) is the operating system installed on a virtual machine or partitioned disk.
  • guest virtual machine (guest VM) - A guest virtual machine (guest VM) is the software component of a virtual machine (VM), an independent instance of an operating system (called a guest operating system) and its associated software and information.
  • Hadoop - Hadoop is an open source distributed processing framework that manages data processing and storage for big data applications running in clustered systems.
  • hardware virtualization - Hardware virtualization, which is also known as server virtualization or simply virtualization, is the abstraction of computing resources from the software that uses those resources.
  • hardware-assisted virtualization - Hardware-assisted virtualization is the use of a computer's physical components to support the mechanism that abstracts and manages the computer's underlying resources from its operating system and the applications that run on it.
  • HDX - Citrix HDX technology is a set of capabilities that work together to deliver a high-definition user experience of virtual desktops and applications to any device over any network from the data center.
  • headless system - A headless system is a computer that operates without a monitor, graphical user interface (GUI) or the typical peripherals used to control it, such as a keyboard and mouse.
  • 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.
  • host virtual machine (host VM) - A host virtual machine is the server component of a virtual machine (VM), the underlying hardware that provides computing resources to support a particular guest virtual machine (guest VM).
  • host-based virtual machine - A host-based virtual machine is an instance of a desktop operating system that runs on a centralized server.
  • hosted virtual desktop (HVD) - A hosted virtual desktop (HVD) is a user interface that connects to applications and data that are stored on a cloud provider's servers rather than on the user's computer or the corporate network.
  • hot cloning - Hot cloning is a cloning method that takes place while the server OS is running.
  • hot desking - Hot desking is a work space sharing model in which employees outnumber desks.
  • HP Virtual Server Environment (HP VSE) - The HP Virtual Server Environment (HP VSE) is a server virtualization product developed by Hewlett-Packard (HP) to optimize resource utilization in their HP Integrity and HP 9000 servers.
  • HTML 5 desktop client - An HTML5 desktop client is a type of remote desktop client that provides an end user with access to a desktop or application through a web browser.
  • 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.
  • hybrid SDN - A hybrid SDN (software-defined network) is a network where both traditional networking and SDN protocols operate in the same environment.
  • hyper-converged appliance - A hyper-converged appliance is a hardware device that provides multiple data center management technologies within a single box.
  • hyper-converged network - A hyper-converged network is a network that combines compute and storage network resources into a single preconfigured stack, server or brick with heavy use of virtualization.
  • Hyper-V Cloud - Hyper-V Cloud is a combination of Microsoft virtualization and virtualization management software that makes it easier for businesses to virtualize their existing server hardware assets and either consolidate them or move them to the cloud.
  • Hyper-V live migration - Hyper-V live migration is a Hyper-V feature that lets admins move running virtual machines from one failover cluster node to a cluster in the same node.
  • Hyper-V Replica - Hyper-V Replica is a free disaster recovery tool in Hyper-V 3.
  • Hyper-V Virtual Fibre Channel - Virtual Fibre Channel is a feature in Microsoft Hyper-V 3.
  • hyperconvergence - Hyperconvergence -- also spelled hyper-convergence -- is a software-centric architecture that tightly integrates compute, storage and virtualization resources in a single system that usually consists of x86 hardware.
  • hypervisor - A hypervisor is a function which abstracts -- isolates -- operating systems and applications from the underlying computer hardware.
  • hypervisor attack - A hypervisor attack can allow hackers to take control of your VMs.
  • hypervisor security - Hypervisor security is the process of ensuring the hypervisor, the software that enables virtualization, is secure throughout its life cycle, including during development, implementation, provisioning, management and de-provisioning.
  • hypervisor-aware storage - Hypervisor-aware storage, also called virtualization-aware or VM-aware storage, is a category of storage array that provides administrators with the ability to correlate an application on a virtual machine (VM) with the underlying physical storage.
  • I/O blender effect - The I/O blender effect is a phenomenon in virtualized environments that degrades storage performance.
  • I/O fencing (input/output fencing) - I/O (input/output) fencing is the isolation of a malfunctioning node from a cluster's shared storage to protect the integrity of data.
  • I/O virtualization (IOV) - I/O virtualization (IOV), or input/output virtualization, is technology that uses software to abstract upper-layer protocols from physical connections or physical transports.
  • instant recovery (recovery-in-place) - Instant recovery involves running a VM instance directly from the secondary storage location without having to first perform a restore of the primary VM.
  • Intel VT (Virtualization Technology) - Intel VT (Virtualization Technology) is the company's hardware assistance for processors running virtualization platforms.
  • Java virtual machine (JVM) - A Java virtual machine (JVM), an implementation of the Java Virtual Machine Specification, interprets compiled Java binary code (called bytecode) for a computer's processor (or "hardware platform") so that it can perform a Java program's instructions.
  • JeOS (just enough operating system) - JeOS (just enough operating system) is a highly customized operating system built for a specific application.
  • kernel virtualization - Kernel virtualization is any one of a number of methods in which an operating system (OS) kernel is adapted to support different users running applications simultaneously on a single machine.
  • KVM hypervisor - KVM hypervisor is the virtualization layer in Kernel-based Virtual Machine (KVM).
  • Lakeside Software - Lakeside Software is a desktop monitoring software company known for its SysTrack product, which provides performance data and analytics for physical and virtual desktops.
  • linked clones - Linked clones are copies of virtual machines that share virtual disks with the parent VM, which conserves space and allows multiple VMs to use the same software.
  • Linux Secure Boot - Linux Secure Boot is a feature in Windows 10 and Windows Server 2016 that allows some Linux distributions to boot under Hyper-V as Generation 2 virtual machines.
  • Linux virtual machine (Linux VM) - A Linux virtual machine is a virtual machine (VM) that is running a distribution of Linux as the guest operating system (guest OS).
  • Liquidware - Liquidware is a company that provides monitoring and management software for physical, virtual and cloud desktop deployments.
  • Liquidware FlexApp - Liquidware FlexApp is an application layering technology that stores user or department-specific applications on virtual hard disks or virtual machine disk files and delivers them separately from users' Windows virtual desktops at login.
  • Liquidware ProfileUnity - Liquidware ProfileUnity is a centralized user environment management tool used to manage virtual or physical Windows desktops.
  • live migration - Live migration is the movement of a virtual machine from one physical host to another while continuously powered-up.
  • lldpnetmap - Lldpnetmap is a troubleshooting command that displays to which physical switch an ESXi host is connected.
  • Login VSI (Login Virtual Session Indexer) - Login VSI (Login Virtual Session Indexer) is a software company that specializes in products IT can use to monitor and test loads for server-based computing, VDI and desktop as a service.
  • LTO-6 (Linear Tape-Open 6) - LTO-6 is the current tape format from the Linear Tape-Open Consortium first released in 2012 that will eventually be succeeded by LTO-7, LTO-8, LTO-9 and LTO-10.
  • LUN zoning - LUN zoning is a method of configuring SAN fabric to match logical unit numbers (LUNs) to the proper servers.
  • LXD (Linux container hypervisor) - LXD is an open source container management extension for Linux Containers (LXC).
  • memory mirroring - Memory mirroring is the division of memory on a server into two channels.
  • memory overcommit (or overcommitment) - Memory overcommit (or overcommitment) is a hypervisor feature that allows a virtual machine (VM) to use more memory space than the physical host has available.
  • memory paging - Memory paging is a memory management technique for controlling how a computer's memory resources are shared.
  • Microsoft Azure Site Recovery - Microsoft Azure Site Recovery is a new service in Microsoft Azure primarily used for disaster recovery purposes.
  • Microsoft Azure VM Scale Sets - A Microsoft Azure VM Scale Set is a group of individual virtual machines (VMs) within the Microsoft Azure public cloud that IT administrators can configure and manage as a single unit.
  • Microsoft Hyper-V 3.0 - Hyper-V 3.0 is the virtualization feature created for the client version of Windows 8 as well as Windows Server 8.
  • Microsoft Hyper-V Dynamic Memory - Dynamic Memory is a memory allocation feature for Microsoft Hyper-V.
  • Microsoft Hyper-V Integration Services - Hyper-V Integration Services is a suite of utilities in Microsoft Hyper-V, designed to enhance the performance of the virtual machine's guest operating system.
  • Microsoft Hyper-V Manager - Microsoft Hyper-V Manager is a tool that allows administrators to create, change and delete virtual machines (VMs).
  • Microsoft Hyper-V Quick Migration - Hyper-V Quick Migration is a feature available in Windows Server 2008 Hyper-V R2 that allows users to move running virtual machines (VMs) from one host to another with minimal downtime.
  • Microsoft Hyper-V Shielded VM - A Microsoft Hyper-V Shielded VM is a security feature of Windows Server 2016 that protects a Hyper-V second-generation virtual machine (VM) from access or tampering by using a combination of Secure Boot, BitLocker encryption, virtual Trusted Platform Module (TPM) and the Host Guardian Service.
  • Microsoft Hyper-V version 1.0 - Hyper-V is Microsoft's server virtualization software for Microsoft Server 2008.
  • Microsoft Nano Server - Microsoft Nano Server is a lightweight operating system based on Microsoft Windows Server 2016 that is tailored for use as an OS layer for virtualized container instances.
  • Microsoft Storage QoS (Storage Quality of Service) - Microsoft Storage QoS (Storage Quality of Service) is a feature for monitoring and managing the performance of storage resources allocated to individual virtual machines (VMs) running on Hyper-V and scale-out file servers or cluster shared volumes.
  • Microsoft System Center 2012 - Microsoft System Center 2012 is a bundled suite of systems management products that offers tools to monitor and automate virtualized environments, including private clouds based on Microsoft Hyper-V.
  • Microsoft System Center Virtual Machine Manager 2012 - Microsoft System Center Virtual Machine Manager 2012 (SCVMM 2012) is Microsoft's virtualization management product.
  • Microsoft UE-V (User Experience Virtualization) - Microsoft UE-V (User Experience Virtualization) is a tool that enables users to move from one Windows device to another and maintain the same operating system (OS) and applications settings.
  • Microsoft Virtual Machine Bus (VMBus) - Microsoft Virtual Machine Bus (VMBus) is a mechanism within the Hyper-V architecture that enables logical communication in partitions.
  • Microsoft Virtual Machine Converter (MVMC) - Microsoft Virtual Machine Converter (MVMC) is a supported stand-alone option that can convert VMware virtual machines and virtual disks into Hyper-V VMs and virtual hard disks.
  • Microsoft Virtual Server - Microsoft Virtual Server is a scalable server virtualization program distributed by Microsoft that enables multiple operating systems (OS) to run on a single physical server.
  • Mininet - Mininet is a software emulator for prototyping a large network on a single machine.
  • MinWin - MinWin is the lowest level of the Windows operating system.
  • Mirror Mode (VMware Mirror Mode) - Mirror Mode is a virtual machine backup feature for VMware vSphere 5.
  • mobile desktop virtualization - Mobile desktop virtualization is the delivery of a virtual machine (VM) image that runs business applications to a tablet or smartphone.
  • 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.
  • Multi-Root IOV (MR-IOV) - Multi-Root IOV (MR-IOV).
  • N_Port ID virtualization (NPIV) - N_Port ID virtualization (NPIV) is a technology that allows a single host bus adaptor (HBA) called an "N_Port" to register multiple World Wide Port Names (WWPNs) and N_Port identification numbers.
  • nested virtualization - Nested virtualization describes the process of running a hypervisor within another hypervisor.
  • nested VM (nested virtual machine) - A nested VM (nested virtual machine) is a virtual machine contained within another VM.
  • NetApp FlexPod - NetApp FlexPod is a reference architecture for server, storage and networking components that are pretested and validated to work together as an integrated infrastructure stack.
  • NETCONF - NETCONF is an IETF network management protocol that provides an administrator or network engineer with a secure way to configure a firewall, router, switch or other network device.
  • NetScaler (SDX) - Citrix NetScaler SDX is a service delivery networking platform for enterprise and cloud datacenters.
  • nettop - A nettop is a small, low-power and relatively inexpensive desktop computer.
  • Network as a Service (NaaS) - Network as a service (NaaS) is a business model for delivering enterprise-wide area network services virtually on a subscription basis.
  • network functions virtualization (NFV) - Network functions virtualization (NFV) is an initiative to virtualize network services traditionally run on proprietary, dedicated hardware.
  • network hypervisor - A network hypervisor is a program that provides an abstraction layer for network hardware.
  • network intelligence (NI) - Network Intelligence (NI) is the capacity of a network to examine data packets continuously and in real time.
  • 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).
  • Nicira Inc. - Nicira is a network virtualization and SDN (software-defined networking) company that Martin Casado, Nick McKeown and Scott Shenker founded in 2007.
  • Nicira Network Virtualization Platform (Nicira NVP) - Nicira NVP is network virtualization software that manages an abstraction layer between end systems and the physical network infrastructure and enables the creation of independently operable virtual networks.
  • non-virtual hosting - Non-virtual hosting is offering to host a Web site for an Internet user or company within the same domain name as that of the service provider.
  • nonpersistent desktop - A non-persistent desktop is a virtual desktop that does not maintain user data, personalized settings, or any other changes made by the end user.
  • NVGRE (Network Virtualization using Generic Routing Encapsulation) - NVGRE (Network Virtualization using Generic Routing Encapsulation) is a network virtualization method that uses encapsulation to create large numbers of virtual LANs (VLANs) for subnets that can extend across dispersed data centers and Layers 2 and 3.
  • Octopus - Octopus is the production codename for a VMware file sharing application for the enterprise.
  • ODIN (Open Data Center with an Interoperable Network) - ODIN (Open Data Center with an Interoperable Network) is a reference architecture that describes best practices for creating a flat, converged, virtualized data center fabric based on open industry standards.
  • OpenFlow Consortium - The OpenFlow Consortium was a collaborative group of university researchers and network administrators that developed the original specification for the OpenFlow protocol.
  • OpenFlow controller - An OpenFlow controller is an application that manages flow control in a software-defined networking (SDN) environment.
  • OpenFlow switch - An OpenFlow switch is a software program or hardware device that forwards packets in a software-defined networking (SDN) environment.
  • OpenStack Neutron (formerly called Quantum) - OpenStack Neutron is a cloud networking controller and a networking-as-a-service project within the OpenStack cloud computing initiative.
  • overlay network - An overlay network is a telecommunications network that is built on top of another network and is supported by its infrastructure.

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