Browse Definitions :

Virtualization

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

HYP - SPI

  • 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 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.
  • hypervisor - A hypervisor is a function that abstracts -- isolates -- operating systems (OSes) 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.
  • I/O blender effect - The I/O blender effect is a phenomenon in virtualized environments that degrades storage performance.
  • 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 refers to the process of moving a virtual machine running on one physical host to another host without disrupting normal operations or causing any downtime or other adverse effects for the end user.
  • 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 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 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 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 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 Windows Defender Device Guard - Windows Defender Device Guard is a security feature for Windows 10 Enterprise and Windows Server 2016 designed to use application whitelisting and code integrity policies to protect users' devices from malicious code that could compromise the operating system.
  • Microsoft Windows Virtual Desktop - Microsoft Windows Virtual Desktop is an Azure-based cloud service for desktop and application virtualization.
  • 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.
  • 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.
  • N_Port ID virtualization (NPIV) - N_Port ID virtualization (NPIV) is a Fibre Channel (FC) standard that makes it possible to create multiple virtual ports on a single physical node port (N_Port), with each virtual port appearing as a unique entity to the FC network.
  • 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.
  • 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 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).
  • Nutanix Acropolis - Acropolis is a free server virtualization hypervisor developed by vendor Nutanix that is packaged on hyper-converged appliances, and can be used alongside competing hypervisors.
  • 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.
  • Open Virtualization Format (OVF) - The Open Virtualization Format (OVF) is an open source standard for packaging and distributing software applications and services for virtual machines (VMs).
  • 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.
  • oVirt - OVirt is an open source data center virtualization platform developed and promoted by Red Hat.
  • OVSDB (Open vSwitch Database Management Protocol) - The Open vSwitch Database Management Protocol (OVSDB) is an OpenFlow configuration protocol that is designed to manage Open vSwitch implementations.
  • Parallels - Parallels is an application and desktop virtualization software vendor that offers management and delivery platforms for Apple macOS and Microsoft Windows desktop deployments.
  • Parallels Desktop for Mac - Parallels Desktop for Mac is desktop virtualization software that allows Microsoft Windows, Linux and Google Chrome OSes and applications to run on an Apple Mac computer.
  • paravirtualization - Paravirtualization is an enhancement of virtualization technology in which a guest OS is modified prior to installation inside a virtual machine (VM) in order to allow all guest OSes within the system to share resources and successfully collaborate, rather than attempt to emulate an entire hardware environment.
  • PCoIP (PC over IP) - PC over IP (PCoIP) is a remote display protocol that Teradici developed for delivering remote desktops and applications to endpoints.
  • permanent virtual circuit (PVC) - A permanent virtual circuit (PVC) is a software-defined logical connection in a network such as a frame relay network.
  • personal VM (personal virtual machine or PVM) - A personal VM (personal virtual machine) is a virtual computing environment that is allocated to an end user for personal use.
  • physical address - A physical address is a binary number in the form of logical high and low states on an address bus that corresponds to a particular cell of primary storage (also called main memory), or to a particular register in a memory-mapped I/O (input/output) device.
  • physical computer - A physical computer is a hardware-based device, such as a personal computer.
  • physical to virtual (P2V) - Physical to virtual (P2V), also called hardware virtualization, refers to the migration of physical machines to virtual machines (VMs).
  • platform - In IT, a platform is any hardware or software used to host an application or service.
  • PowerPC - PowerPC is a microprocessor architecture that was developed jointly by Apple, IBM, and Motorola.
  • Profile-Driven Storage - Profile-Driven Storage is a feature in vSphere 5 that lets users to intelligently provision applications, mapping VMs to storage levels according to service levels, availability, performance needs or cost.
  • published applications - Published applications are virtual software programs that function as if they were installed locally.
  • Purple Screen of Death (PSOD) - A Purple Screen of Death (PSOD) is a diagnostic screen with white type on a purple background that is displayed when the VMkernel of an ESX/ESXi host experiences a critical error and becomes inoperative, terminating its running virtual machines.
  • raw device mapping - Raw device mapping (RDM) enables disk access in a virtual machine (VM) in the VMware server virtualization environment and allows a storage logical unit number (LUN) to be connected directly to a VM from the storage area network (SAN).
  • Red Hat Virtualization (RHV) - Red Hat Virtualization (RHV) is an enterprise-class virtualization platform produced by Red Hat.
  • remote desktop - A remote desktop is a program or an operating system feature that allows a user to connect to a computer in another location, see that computer's desktop and interact with it as if it were local.
  • remote desktop connection broker - A remote desktop connection broker allows clients to access various types of server-hosted desktops and applications.
  • Remote Desktop Connection Manager (RDCMan) - Remote Desktop Connection Manager (RDCMan) is a tool that enables information technology (IT) administrators to organize, group and control remote desktop connections.
  • Remote Desktop Services (RDS) - Remote Desktop Services (RDS) is an umbrella term for several specific features of Microsoft Windows Server that allow users to remotely access graphical desktops and Windows applications.
  • RemoteFX - RemoteFX is a set of protocols for Microsoft's Remote Desktop Protocol (RDP) that are used to remotely deliver Windows virtual desktops over a local area network (LAN).
  • ROADM (reconfigurable optical add-drop multiplexer) - An ROADM (reconfigurable optical add-drop multiplexer) is a device that can add, block, pass or redirect modulated infrared (IR) and visible light beams of various wavelengths in a fiber optic network.
  • saved state - Saved state, in a virtualization context, is a way to store the current state of a virtual machine so that is possible to return to that state quickly when desired.
  • Scalable Processor Architecture (SPARC) - Scalable Processor Architecture (SPARC) is a 32- and 64-bit microprocessor architecture developed by Sun Microsystems in 1987.
  • SDDC (software-defined data center) - An SDDC (software-defined data center) is a data storage facility in which networking, storage, CPU and security are virtualized and delivered as a service.
  • SDN application (software-defined networking application) - An SDN application is a software program designed to perform a task in a software-defined networking (SDN) environment.
  • Second Level Address Translation (SLAT) - Second Level Address Translation (SLAT) is a technology designed to reduce the overhead in a hypervisor CPU while easing the management of a hypervisor's memory and is often found with Hyper-V.
  • second-level address translation (SLAT) - Second-level address translation (SLAT) is a hardware virtualization technology that reduces hypervisor overhead.
  • service mesh - A service mesh is a dedicated infrastructure layer that controls service-to-service communication over a network.
  • 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.
  • Software as a Service (SaaS) - Software as a service (SaaS) is a software distribution model in which a third-party provider hosts applications and makes them available to customers over the Internet.
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