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Virtualization of computers or operating systems
Hardware virtualization is the virtualization of computers as complete hardware platforms, certain logical abstractions of their componentry, or only
Hardware_virtualization
Methods for dividing computing resources
machine monitor. Hardware virtualization is not the same as hardware emulation. Hardware-assisted virtualization facilitates building a virtual machine monitor
Virtualization
Hardware-assisted virtualization on x86/x86-64 CPUs
x86 virtualization is the use of hardware-assisted virtualization capabilities on an x86/x86-64 CPU. In the late 1990s x86 virtualization was achieved
X86_virtualization
Technology that allows a GPU to be used by multiple virtual machines
applications running on a virtual machine. GPU virtualization is used in various applications such as desktop virtualization, cloud gaming and computational science
GPU_virtualization
Software technology
Desktop virtualization can be used in conjunction with application virtualization and user profile management systems, now termed user virtualization, to
Desktop_virtualization
Operating system virtualization paradigm
OS-level virtualization is an operating system (OS) virtualization paradigm in which the kernel allows the existence of multiple isolated user space instances
OS-level_virtualization
Computer memory management technique
two levels of virtual memory; few if any operating systems do so, instead using only paging. Early non-hardware-assisted x86 virtualization solutions combined
Virtual_memory
a list of virtualization-capable IOMMU-supporting hardware. List of Intel and Intel-based hardware that supports VT-d (Intel Virtualization Technology
List of IOMMU-supporting hardware
List_of_IOMMU-supporting_hardware
Software that emulates an entire computer
physical machine. Modern hypervisors use hardware-assisted virtualization, with virtualization-specific hardware features on the host CPUs providing assistance
Virtual_machine
Combining resources into a single entity
a virtual network. Network virtualization involves platform virtualization, often combined with resource virtualization. Network virtualization is categorized
Network_virtualization
Method to encapsulate computer programs
being abstracted (physical hardware). Full application virtualization requires a virtualization layer. Application virtualization layers replace part of the
Application_virtualization
Hardware-assisted virtualization technology
Address Translation (SLAT), also known as nested paging, is a hardware-assisted virtualization technology which makes it possible to avoid the overhead associated
Second Level Address Translation
Second_Level_Address_Translation
Operating system component
are capable of hardware-assisted virtualization, which enables efficient full virtualization by using virtualization-specific hardware capabilities, primarily
System_virtual_machine
Virtualization module in the Linux kernel
Kernel-based Virtual Machine (KVM) is a free and open-source virtualization module in the Linux kernel that allows the kernel to function as a hypervisor
Kernel-based_Virtual_Machine
Virtual machine running on a host computer
time-sharing model, virtualization provides a higher level of security, dependent on the type of virtualization used, as the individual virtual servers are mostly
Virtual_private_server
Type of computing virtualization
Network function virtualization (NFV) is a network architecture concept that leverages IT virtualization technologies to virtualize entire classes of network
Network function virtualization
Network_function_virtualization
Open-source x86 virtualization application
absence of hardware-assisted virtualization, versions 6.0.24 and earlier of VirtualBox made use of a standard software-based virtualization approach. This
VirtualBox
Specification for isolation of PCI Express resources
In virtualization, single root input/output virtualization (SR-IOV) is a specification that allows the isolation of PCI Express resources for manageability
Single-root input/output virtualization
Single-root_input/output_virtualization
application virtualization software Comparison of OS emulation or virtualization apps on Android Popek and Goldberg virtualization requirements Virtual DOS machine
Comparison of platform virtualization software
Comparison_of_platform_virtualization_software
Piece of software or hardware that creates and runs virtual machines
without the virtual memory feature needed for virtualization, but added it in the August 1972 Advanced Function announcement. Virtualization has been featured
Hypervisor
Type-1 hypervisor
privileged instructions are provided by hardware virtualization instructions (if the host processor supports x86 virtualization, e.g., Intel VT-x and AMD-V), or
Xen
Open-source server virtualization platform
systems. On x86 systems, hardware virtualization extensions such as Intel VT-x or AMD-V are required for accelerated KVM virtualization. LXC provides operating-system-level
Proxmox_Virtual_Environment
Software components that emulate an actual disk storage device
components of virtual machines in hardware virtualization, but they are also widely used for various purposes unrelated to virtualization, such as for
Virtual disk and virtual drive
Virtual_disk_and_virtual_drive
Environment in which a piece of software is executed
development Supercomputer architectures Cross-platform software Hardware virtualization Third platform Platform ecosystem Microsoft introduced Power Platform
Computing_platform
Type of computer virtualisation
Cross-platform virtualization is a form of computer virtualization that allows software compiled for a specific instruction set and operating system to
Cross-platform_virtualization
Virtual network switch
a distributed virtual multilayer switch. The main purpose of Open vSwitch is to provide a switching stack for hardware virtualization environments, while
Open_vSwitch
computing, virtualization is the use of a computer to simulate another computer. The following is a chronological list of virtualization technologies
Timeline of virtualization technologies
Timeline_of_virtualization_technologies
"Cortex-A73". Arm Developer. Retrieved 23 September 2020. "Hardware.Info Nederland". nl.hardware.info (in Dutch). Archived from the original on 24 December
List_of_ARM_processors
Emulator for PowerPC Macs and for Windows
It added support for hardware virtualization, "undo disks", transfer statistic monitor for disk and network, and viewing virtual machines on multiple
Virtual_PC
Type of data center server computer
a data center server computer product line composed of server hardware, virtualization support, switching fabric, and management software, introduced
Cisco Unified Computing System
Cisco_Unified_Computing_System
Mobile virtualization is hardware virtualization on a mobile phone or connected wireless device. It enables multiple operating systems or virtual machines
Mobile_virtualization
Software interface to attached devices
variant of device drivers. They are used to emulate a hardware device, particularly in virtualization environments, for example, when a guest operating system
Device_driver
Video game console by Nintendo
screen of the Virtual Boy prototype was shown at Shoshinkai 1994. A "very confident" projection of "sales in Japan of three million hardware units and 14
Virtual_Boy
Layer of protection in computer systems
Recent CPUs from Intel and AMD offer x86 virtualization instructions for a hypervisor to control Ring 0 hardware access. Although they are mutually incompatible
Protection_ring
Computer science term
hard disk drives. Server virtualization, or Full virtualization, partitions a single physical server into multiple virtual machines, consolidating multiple
Memory_virtualization
American cloud computing and virtualization company
internet startups and did not understand the value of virtualization on commodity PC hardware. VMware operated in stealth mode for its first year, with
VMware
System allowing a device to imitate another
semantically differs from network emulation. Hardware virtualization is the virtualization of computers as complete hardware platforms, certain logical abstractions
Emulator
support hardware virtualization. These extensions provide instructions for entering and leaving a virtualized execution context and for loading virtual-machine
List of x86 virtualization instructions
List_of_x86_virtualization_instructions
Providing to a computer system a logical view of physical storage
a storage system, there are two primary types of virtualization that can occur: Block virtualization used in this context refers to the abstraction (separation)
Storage_virtualization
Free virtualization and emulation software
space program access to the hardware virtualization features of various processors, with which QEMU can offer virtualization for x86, PowerPC, and S/390
QEMU
Feature of specific microprocessor
processor is running a protected mode operating system. It is a hardware virtualization technique that allowed multiple 8086 processors to be emulated
Virtual_8086_mode
Native hypervisor by Microsoft
version 2012, superseding Microsoft Virtual Server, and starting with Windows 8, Hyper-V has been the hardware virtualization component for personal computers
Hyper-V
Capabilities of a computer architecture
and Goldberg virtualization requirements are a set of conditions sufficient for a computer architecture to support system virtualization efficiently.
Popek and Goldberg virtualization requirements
Popek_and_Goldberg_virtualization_requirements
of traditional server virtualization, which partitions a single physical system so that multiple OSes can be run on the hardware. The technology is primarily
Virtualization for aggregation
Virtualization_for_aggregation
Management tool
tool for managing platform virtualization. It can be used to manage KVM, Xen, VMware ESXi, QEMU and other virtualization technologies. These APIs are
Libvirt
Limiting the data rate on network controllers
limiting techniques are applied in data centers using software and hardware. Virtualized data centers may also apply rate limiting at the hypervisor layer
Rate_limiting
Software designed to enable access to unauthorized locations in a computer
hardware virtualization features such as Intel VT or AMD-V, this type of rootkit runs in Ring -1 and hosts the target operating system as a virtual machine
Rootkit
Network Protocol Virtualization or Network Protocol Stack Virtualization is a concept of providing network connections as a service, without concerning
Network Protocol Virtualization
Network_Protocol_Virtualization
US software company
management. The Virtual Iron platform consisted of a virtualization manager, virtualization servers and a hypervisor. The virtualization manager (VI-Center)
Virtual_Iron
Data structure that maps virtual addresses with physical addresses
hardware virtualization. By providing hardware support for page-table virtualization, the need to emulate is greatly reduced. For x86 virtualization the
Page_table
Configuration in computer memory
tables. In virtualization, guest operating systems can use hardware that is not specifically made for virtualization. Higher performance hardware such as
Input–output memory management unit
Input–output_memory_management_unit
Venture-backed startup working with micro-virtualization security technology
based in Cupertino, California that worked with virtualization technology. Bromium focused on virtual hardware claiming to reduce or eliminate endpoint computer
Bromium
Dedicated computer system
reconfigure the hardware. Another form of appliance is the virtual appliance, which has similar functionality to a dedicated hardware appliance, but is
Computer_appliance
2012 computer chip design
mandatory per core VFPv4 Floating Point Unit onboard (per core) Hardware virtualization support TrustZone security extensions 64-byte cache lines 10-entry
ARM_Cortex-A53
especially if the network traffic is busy. Virtualization can solve some of these problems. Virtualization is a method by which the "guest" operating
Multiseat desktop virtualization
Multiseat_desktop_virtualization
Virtual machine software for Mac
Parallels Desktop for Mac is a hypervisor providing hardware virtualization for Mac computers. It is developed by Parallels, a subsidiary of Corel. Parallels
Parallels_Desktop_for_Mac
Enterprise-class, type-1 hypervisor for deploying and serving virtual computers
introduce the greatest portion of virtualization "overhead".[citation needed] Paravirtualization or other virtualization techniques may help with these issues
VMware_ESX
Free software operating system based on Solaris
Kernel-based Virtual Machine (KVM), a virtualization infrastructure. KVM supports native virtualization on processors with hardware virtualization extensions
Illumos
Hypervisor for Microsoft Windows
Microsoft Virtual Server is a discontinued virtualization solution that facilitated the creation of virtual machines on the Windows XP, Windows Vista
Microsoft_Virtual_Server
Network interface controller mode that eavesdrops on messages intended for others
placed into promiscuous mode by software bridges often used with hardware virtualization. In IEEE 802 networks such as Ethernet or IEEE 802.11, each frame
Promiscuous_mode
Operating system
systems Hardware virtualization Native zones provide SmartOS applications isolation environment, based on Solaris Containers, an OS-level virtualization, without
SmartOS
Free and open-source software operating system
such as IOMMUs and hardware virtualization can be utilized. On ARM, Genode is able to take advantage of TrustZone and virtualization technology. Genode
Genode
Computer file with a storage device's contents
Disk images can be made in a variety of formats depending on the purpose. Virtual disk images (such as VHD and VMDK) are intended to be used for cloud computing
Disk_image
Central processing unit
mandatory per core VFPv4 Floating Point Unit onboard (per core) Hardware virtualization support Thumb-2 instruction set encoding reduces the size of 32-bit
ARM_Cortex-A72
Computer architecture for security
platform deconflating hardware virtualization and protection (PDF). Workshop on Runtime Environments, Systems, Layering and Virtualized Environments (RESoLVE
Capability Hardware Enhanced RISC Instructions
Capability_Hardware_Enhanced_RISC_Instructions
While memory overcommitment is usually talked about in the context of virtualization, it is actually a generalised concept; Windows NT contained overcommitment
Memory_overcommitment
Virtual machine software
machine's hardware resources and provides an interface to it for both virtual machine monitors and primary OS. This allows virtualization software to
Parallels_Workstation
Cloud computing service
generally delivered using a combination of technologies including hardware virtualization and some form of remote connection software, Citrix XenApp or Microsoft
Hosted_desktop
Virtualisation of networking devices
This allows for the virtualization of CPU, memory, disk and most importantly network IO. Upon such virtualization of hardware resources, the platform
Network virtualization platform
Network_virtualization_platform
Physical components of a computer
Computer hardware, commonly shortened to hardware, includes the physical parts of a computer, such as the central processing unit (CPU), random-access
Computer_hardware
In computing, thin provisioning involves using virtualization technology to portray the illusion of having more physical resources than are actually available
Thin_provisioning
Extension of a private network across a public one
A virtual private network (VPN) is an overlay network that uses network virtualization to extend a private network across a public network, such as the
Virtual_private_network
Pre-configured virtual machine image
virtualization platforms, including those from VMware, Microsoft, Oracle, and Citrix, can install virtual appliances from an OVF file. Virtualization
Virtual_appliance
Computer providing a central resource or service
a server in the early 2000s was 5 to 15%, but with the adoption of virtualization this figure started to increase the number of servers needed. Strictly
Server_(computing)
2011 computer microprocessor core
Floating Point Unit Thumb-2 instruction set encoding Jazelle RCT Hardware virtualization Large Page Address Extensions (LPAE) Integrated level 2 Cache (0–1
ARM_Cortex-A7
ExpEther is a System Hardware Virtualization Technology that expands standard PCI Express beyond 1 km having thousands of roots and endpoint devices together
ExpEther
Video game played in virtual reality
A virtual reality game (VR game) is a video game played on virtual reality (VR) hardware. Most VR games are based on player immersion, typically through
Virtual_reality_game
application stack. Virtualization of the database layer enables a shift away from the physical, toward the logical or virtual. Virtualization enables compute
Database_virtualization
32-bit multicore processor
Cortex-A9 core. New features not found in the Cortex-A9 include hardware virtualization and 40-bit Large Physical Address Extensions (LPAE) addressing
ARM_Cortex-A12
Topics referred to by the same term
hosting service Virtual host, hosting multiple domain names on a single server In hardware virtualization a host machine runs a virtual machine UOL HOST
Host
Computer software installed on multiple computing platforms
cross-platform malware. Operating context List of widget toolkits Hardware virtualization Language binding Source-to-source compiler Binary-code compatibility
Cross-platform_software
Category of cloud computing
computing resources such as storage, network, servers, and virtualization (which emulates computer hardware). This service frees users from maintaining their own
Infrastructure_as_a_service
Operating system from IBM
VT-x/AMD-V hardware-enabled virtualization and only ACP2/MCP2 is reported to work in a reliable manner. ArcaOS supports being run as a virtual machine guest
OS/2
Topics referred to by the same term
providing hardware virtualization for Macintosh computers with Intel processors Parallels Server for Mac, server-side desktop virtualization product built
Parallels
Umbrella marketing term by Intel
accelerates hardware virtualization which enables isolated memory regions to be created for running critical applications in hardware virtual machines in
Intel_vPro
Serverless computing platform
Linux (Amazon Linux AMI or Amazon Linux 2). Firecracker provides hardware-virtualization-based isolation, aiming to achieve near-bare-metal performance
AWS_Lambda
Methodology to manage server I/O
In virtualization, input/output virtualization (I/O virtualization) is a methodology to simplify management, lower costs and improve performance of servers
I/O_virtualization
Hypervisor designed for embedded systems
Mobile virtualization overlaps with embedded system virtualization, and shares some use cases. Typical attributes of embedded virtualization include
Embedded_hypervisor
2009 Microsoft operating system version
March 27, 2021. Armstrong, Ben (March 18, 2010). "Windows Virtual PC – no hardware virtualization update now available for download". Microsoft Developer
Windows_7
Information technology company
became a basis for building Veeam's data-protection software for hardware virtualization. In 2014, Veeam held its first conference on data protection and
Veeam
Open audio plug-in interface standard
use digital signal processing to simulate traditional recording studio hardware in software. Thousands of plugins exist, both commercial and freeware,
Virtual_Studio_Technology
Computer I/O company acquired by Oracle
technology and hardware company based in San Jose, California, US, specializing in data center network and I/O virtualization software and hardware for companies
Xsigo_Systems
Method of inter-process communication
users, but there are notable exceptions. The VMware Workstation PC hardware virtualization tool, for instance, can expose emulated serial ports to the host
Named_pipe
Multi-system emulator
SIMH was started in 1993 with the purpose of preserving minicomputer hardware and software that was fading into obscurity. In May 2022, the MIT License
SIMH
Computer standard
Virtualization Format (OVF) is an open standard for packaging and distributing virtual appliances or, more generally, software to be run in virtual machines
Open_Virtualization_Format
Subsystem for 32-bit Windows for running 16-bit DOS & Windows programs
there is already another operating system running and controlling the hardware. Virtual DOS machines can operate either exclusively through typical software
Virtual_DOS_machine
American software company
Wanova Launches Distributed Desktop Virtualization The VAR Guy. March 16, 2010 Wanova Releases Mirage Desktop Virtualization Software eWeek. March 16, 2010
Wanova
Computer architecture bit width
Hassen (3 March 2012). "CHERI: a research platform deconflating hardware virtualization and protection" (PDF). Unpublished workshop paper for RESoLVE’12
256-bit_computing
Set of features of Solaris operating system
“Crossbow Hardware Resources Management and Virtualization” Droux, Nicolas, "Crossbow Network Virtualization Architecture" Rami, Rosen, Virtualization in OpenSolaris
Solaris network virtualization and resource control
Solaris_network_virtualization_and_resource_control
Virtualization software
Connections. GNOME Boxes requires the CPU to support some form of hardware-assisted virtualization (AMD-V or Intel VT-x, for example). Boxes was originally developed
GNOME_Boxes
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