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Piece of software or hardware that creates and runs virtual machines
A hypervisor, also known as a virtual machine monitor (VMM), is a type of computer software, firmware, or hardware that creates and runs virtual machines
Hypervisor
American cloud computing and virtualization company
Microsoft Windows, Linux, and macOS. VMware ESXi, its enterprise software hypervisor, is an operating system that runs on server hardware. Virtualizing the
VMware
Enterprise-class, type-1 hypervisor for deploying and serving virtual computers
enterprise-class, type-1 hypervisors developed by VMware, now a subsidiary of Broadcom, for deploying and serving virtual computers. As type-1 hypervisors, ESX is not
VMware_ESX
Type-1 hypervisor
Xen (pronounced /ˈzɛn/) is a free and open-source type-1 (bare-metal) hypervisor, providing services that allow multiple computer operating systems to
Xen
In computing, a client hypervisor is a hypervisor that is designed for use on client computers such as laptops, desktops or workstations, rather than on
Client_hypervisor
Software that emulates an entire computer
hypervisors use hardware-assisted virtualization, with virtualization-specific hardware features on the host CPUs providing assistance to hypervisors
Virtual_machine
Hypervisor designed for embedded systems
An embedded hypervisor is a hypervisor that supports the requirements of embedded systems. The requirements for an embedded hypervisor are distinct from
Embedded_hypervisor
Type of computer data storage
server hypervisor and the concept of a storage hypervisor. By virtualizing servers, server hypervisors (VMware ESX, Microsoft Hyper-V, Citrix Hypervisor, Linux
Software-defined_storage
Software infrastructure system
"hardware-defined" systems. HCI includes, at a minimum, virtualized computing (a hypervisor), software-defined storage, and virtualized networking (software-defined
Hyper-converged infrastructure
Hyper-converged_infrastructure
Free virtualization and emulation software
virtualizer. As a Virtual Machine Monitor (VMM) it supports a number of hypervisors, including the Linux-based Kernel-based Virtual Machine (KVM), Xen, MacOS's
QEMU
Open-source cloud computing software
managing, and deploying infrastructure cloud services. It uses existing hypervisor platforms for virtualization, such as KVM, VMware vSphere, including ESXi
Apache_CloudStack
Virtual machine running on a host computer
VMware later replaced ESX Server with VMware ESXi, a more lightweight hypervisor architecture that eliminated the Linux-based Console Operating System
Virtual_private_server
Native hypervisor by Microsoft
Hyper-V is a native hypervisor developed by Microsoft; it can create virtual machines on x86-64 systems running Windows. It is included in Pro and Enterprise
Hyper-V
Virtualization platform based around Xen hypervisor
XCP-ng is a Linux distribution of the Xen Project, with pre-configured Xen Hypervisor and the Xen API project (XAPI) working out-of-the-box. The project was
XCP-ng
Secure computing technology
are hardware-isolated from the host's Virtual Machine Monitor (VMM), hypervisor, and other software on the host. This hardware isolation is intended to
Trust_Domain_Extensions
Specialised, single address space machine images
requires no separate operating system and can run instead as the guest of a hypervisor. The unikernel architecture builds on concepts developed by Exokernel
Unikernel
Methods for dividing computing resources
firmware that creates a virtual machine on the host hardware is called a hypervisor or virtual machine monitor. Hardware virtualization is not the same as
Virtualization
Virtualization module in the Linux kernel
virtualization module in the Linux kernel that allows the kernel to function as a hypervisor. It was merged into the mainline Linux kernel in version 2.6.20, which
Kernel-based_Virtual_Machine
BSD Hypervisor
(pronounced "bee hive", formerly written as BHyVe for "BSD hypervisor") is a type-2 (hosted) hypervisor initially written for FreeBSD. It can also be used on
Bhyve
Software designed to enable access to unauthorized locations in a computer
and programs to remove bootkits. Rootkits have been created as Type II Hypervisors in academia as proofs of concept. By exploiting hardware virtualization
Rootkit
Security-focused Linux-based operating system
called qubes. Virtualization services in Qubes OS are provided by the Xen hypervisor. The runtimes of individual qubes are generally based on a unique system
Qubes_OS
Management tool
open-source hypervisor for Linux and SmartOS Xen – bare-metal hypervisor User-mode Linux (UML) – paravirtualized kernel VirtualBox – hypervisor by Oracle
Libvirt
Form of shared internet-based computing
partitioning, scaling, security, backup, etc. A hypervisor runs the virtual machines as guests. Pools of hypervisors within the cloud operational system can support
Cloud_computing
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
Topics referred to by the same term
and 2009) by Seo Taiji Atomos (company), digital imaging Atomos (hypervisor), hypervisor software Atom (disambiguation) This disambiguation page lists articles
Atomos
Measuring the time or resources used by a section of a computer program
opportunities. Hypervisor: Data are collected by running the (usually) unmodified program under a hypervisor. Example: SIMMON Simulator and Hypervisor: Data collected
Profiling (computer programming)
Profiling_(computer_programming)
Technique for compromising hypervisor software
Hyperjacking is an attack in which a hacker takes malicious control over the hypervisor that creates the virtual environment within a virtual machine (VM) host
Hyperjacking
Open-source CPU instruction set architecture
accesses to interrupt to a hypervisor. The design also simplifies nesting of hypervisors, in which a hypervisor runs under a hypervisor, and if necessary it
RISC-V
Hardware-assisted virtualization technology
physical addresses. Each VM has a separate shadow page table and the hypervisor is in charge of managing them. While shadow page tables are faster than
Second Level Address Translation
Second_Level_Address_Translation
Cloud-computing platform for managing heterogeneous distributed infrastructure
are data center virtualization and cloud deployments based on the KVM hypervisor, LXC system containers, and AWS Firecracker microVMs. The platform is
OpenNebula
Open-source x86 virtualization application
Sun VirtualBox, Sun xVM VirtualBox and InnoTek VirtualBox) is a hosted hypervisor for x86 and ARM virtualization developed by Oracle Corporation. VirtualBox
VirtualBox
Limiting the data rate on network controllers
hardware. Virtualized data centers may also apply rate limiting at the hypervisor layer. Two important performance metrics of rate limiters in data centers
Rate_limiting
Instruction for x86 microprocessors
40000000h, the hypervisor is expected to return the index of the highest supported hypervisor CPUID leaf in EAX, and a 12-character hypervisor ID string in
CPUID
Method of using software to modify the intended behavior of hardware
additional privilege escalation may be required, such as defeating a hypervisor. Other examples of softmods are maliciously signed firmware, such as custom
Softmod
Platform virtualization software, specifically emulators and hypervisors, are software packages that emulate the whole physical computer machine, often
Comparison of platform virtualization software
Comparison_of_platform_virtualization_software
Virtual machine software
just-in-time compilation on the guest code. UTM can integrate with the built-in hypervisor on macOS for virtualization, and it also supports QEMU as a back-end for
UTM_(software)
the standard features of a Xen-based hypervisor on x86-based systems. Sun xVM Server was based on the xVM hypervisor project. Sun planned to support Microsoft
Sun_xVM
Family of IBM operating systems
among others. The heart of the VM architecture is the Control Program or hypervisor abbreviated CP, VM-CP and sometimes, ambiguously, VM. It runs on the physical
VM_(operating_system)
Project for adding Rust language to Linux kernel
RTLinux RTAI Xenomai PREEMPT_RT MMU-less μClinux PSXLinux Virtualization Hypervisor KVM Xen OS-level virtualization Linux-VServer Lguest LXC OpenVZ Other
Rust_for_Linux
Category of cloud computing
decides on the hypervisor (i.e. physical host) in order to start it. A hypervisor runs virtual machines (VMs) as guests. Pools of hypervisors in the cloud
Infrastructure_as_a_service
Computer providing a central resource or service
It exists only as defined within specialized software called hypervisor. The hypervisor presents virtual hardware to the server as if it were real physical
Server_(computing)
Autonomous computer subsystem
categorized as ring −3, below System Management Mode (ring −2) and the hypervisor (ring −1), all running at a higher privilege level than the kernel (ring
Intel_Management_Engine
Software hypervisor developed by VMware for Macintosh computers
VMware Fusion is a freeware software hypervisor developed by VMware for macOS systems. It allows Macs with Intel or Apple M series CPUs to run virtual
VMware_Fusion
Computer standard
in virtual machines". The OVF standard is not tied to any particular hypervisor or instruction set architecture. The unit of packaging and distribution
Open_Virtualization_Format
Layer of protection in computer systems
Microsoft's Ring-1 design structure as part of their NGSCB initiative, and hypervisors based on x86 virtualization such as Intel VT-x (formerly Vanderpool)
Protection_ring
Unauthorized software on the PlayStation 3
writing of arbitrary data into a portion of the hypervisor's memory, which can be used to run code at hypervisor (LV1) level, even on models which do not support
PlayStation_3_homebrew
Virtualization software
virtualization product developed by Red Hat, and is based on the KVM hypervisor. Red Hat Virtualization uses the SPICE protocol and VDSM (Virtual Desktop
Red_Hat_Virtualization
Hybrid Cloud Management Platform
virtual devices. It also supports LDAP integration. Abiquo supports five hypervisor systems. VMware ESXi Microsoft Hyper-V Citrix XenServer Oracle VM Server
Abiquo_Enterprise_Edition
VMware's cloud computing virtualization platform
2024, VMware owner Broadcom discontinued general availability of vSphere Hypervisor free edition. On February 10, 2011 VMware released Update 1 for vSphere
VMware_vSphere
Anti-tamper software
Windows-based bypass normally offloads to a hypervisor. On older CPU architectures, up to and including AMD Zen 3, this hypervisor component was reported to still
Denuvo
Serverless computing infrastructure
KVM. Grüner, Sebastian (27 November 2018). "Amazon legt Mini-VMs und Hypervisor für Container offen". Golem.de (in German). Archived from the original
Firecracker_(software)
Real-time operating system
symmetric multiprocessing (SMP), and mixed modes and multi-OS (via Type 1 hypervisor) designs on 32- and 64-bit processors. VxWorks comes with the kernel,
VxWorks
Virtualization of computers or operating systems
controlled virtualization was called a "control program", but the terms "hypervisor" or "virtual machine monitor" became preferred over time. The term "virtualization"
Hardware_virtualization
Method of compromising a host OS though the VM
function. CVE-2015-7835 Xen Hypervisor: Uncontrolled creation of large page mappings by PV guests CVE-2016-6258 Xen Hypervisor: The PV pagetable code has
Virtual_machine_escape
Israel-based microelectronics company
in 2014 (EC2 C4, M4, D2), and evolved into full hypervisor offload with introduction of Nitro Hypervisor in November 2017. Following on from Nitro, Annapurna
Annapurna_Labs
Hypervisor
LynxSecure is a least privilege real-time separation kernel hypervisor from Lynx Software Technologies designed for safety and security critical applications
LynxSecure
File format representing a virtual hard disk drive
modern versions of Windows, and are the native file format for Microsoft's hypervisor (virtual machine system), Hyper-V. The format was created by Connectix
VHD_(file_format)
Enterprise NAS for File, Object, Block Storage Solutions
services, a Docker-based app store, containers and a virtual machine hypervisor to host additional services. The TrueNAS project originated as FreeNAS
TrueNAS
Operating system
SmartOS is a free and open-source SVR4 hypervisor based on the UNIX operating system that combines OpenSolaris technology with bhyve and KVM virtualization
SmartOS
Hypervisor for Microsoft Windows
Operating system Windows XP, Windows Server 2003, Windows Vista Successor Hyper-V Type Hypervisor License Freeware Website www.microsoft.com/virtualserver/
Microsoft_Virtual_Server
Signal between two devices or programs
validating each other's signals. An example is the handshaking between a hypervisor and an application in a guest virtual machine. In telecommunications,
Handshake_(computing)
Free and open-source Unix-like operating system
virtualization and therefore limited to only FreeBSD guests; but bhyve is a type 2 hypervisor and is not limited to only FreeBSD guests. For comparison, bhyve is a
FreeBSD
Software technology
architecture. The enabling layer—usually application software—is called a hypervisor. Remote desktop virtualization implementations operate in a client/server
Desktop_virtualization
Network security approach
host. Hypervisor segmentation is a microsegmentation implementation in which all traffic passes through the hypervisor. It enables hypervisor-level traffic
Microsegmentation (network security)
Microsegmentation_(network_security)
Former enterprise software company
also the creator, maintainer and global sponsor of the KVM open source hypervisor. The company was founded in 2005 by CEO Benny Schnaider, with Rami Tamir
Qumranet
Software developer and entrepreneur (born 1970)
software engineer who created the Kernel-based Virtual Machine (KVM) hypervisor underlying many production clouds. Following his work on KVM, Kivity developed
Avi_Kivity
Programmable electronic component
firewall, handle TCP/IP, process HTTP requests, or even function as a hypervisor or storage controller. These devices can be attractive to cloud computing
Data_processing_unit
Novelty form of variant English spelling
present in aspects of communicating to and through the PlayStation 3 Hypervisor in communication to its GPU, the RSX Reality Synthesizer. These projects
Hexspeak
Hypervisor
Wakame-vdc CLI, or the powerful Wakame-vdc API. Wakame-vdc is Datacenter Level Hypervisor, and gives the infrastructure higher portability. Since it is fully Open
Wakame-vdc
Paravirtualised x86 hypervisor removed in 2017
virtualization hypervisor introduced in kernel version 2.6.23 (released 9 October 2007) and removed in kernel version 4.14 (November 2017). The hypervisor is an
Lguest
Network firewall running within a virtualised environment
security capabilities, or a managed kernel process running within the host hypervisor. So long as a computer network runs entirely over physical hardware and
Virtual_firewall
Linux distribution for Xbox 360 consoles
March 2007, when a critical software vulnerability in the Xbox 360's hypervisor was discovered, with a way to launch Linux from the modified state being
Free60
64-bit extension of the ARM architecture
executed in a 64-bit OS, and a 32-bit OS to be under the control of a 64-bit hypervisor. ARM announced their Cortex-A53 and Cortex-A57 cores on 30 October 2012
AArch64
Computer operating system
Itanium-based HPE Integrity Servers, and select x86-64 hardware and hypervisors. Since 2014, OpenVMS is developed and supported by VMS Software Inc.
OpenVMS
American software company
multi-purpose real-time as well as FACE applications. The LynxSecure Hypervisor ("bare metal," type 1) and separation kernel was released in 2005. Within
Lynx_Software_Technologies
American software company
integration became Citrix Content Collaboration; XenServer became Citrix Hypervisor; Cedexis became Citrix Intelligent Traffic Management; and NetScaler products
Citrix_Systems
Topics referred to by the same term
Machine Manager (see VMM32) Virtual machine monitor, a hypervisor VAX VMM, an unreleased hypervisor for Digital's VAX hardware The RedHat Virtual Machine
VMM
System allowing a device to imitate another
"control program", but the terms "hypervisor" or "virtual machine monitor" became preferred over time. Each hypervisor can manage or run multiple virtual
Emulator
Server partitioning hardware and software
Management, CPU resources can be automatically reconfigured as needed. SPARC hypervisors run in hyperprivileged execution mode, which was introduced in the sun4v
Oracle_VM_Server_for_SPARC
pre-copy) are fetched on demand by the hypervisor. To ensure that all dirty pages are eventually transferred, a hypervisor implementing post-copy live migration
Live_migration
Programming language
Xen Cloud Platform (XCP), a turnkey virtualization solution for the Xen hypervisor. At least several dozen companies use OCaml to some degree. Notable examples
OCaml
Computer instruction set architecture
addressing. Different modes of operation include user, supervisor and hypervisor. Base – Most of Book I and Book II Server – Book III-S Embedded – Book
Power_ISA
American software conglomerate
Equity and Evergreen Coast Capital. Following the merger, the Citrix Hypervisor product-line was spun-off into a standalone business unit under Cloud
Cloud_Software_Group
Computer server which is used by one tenant only
but they are dedicated entirely to the entity who is renting them. Hypervisors provide some isolation between tenants but there can still be a noisy
Bare-metal_server
Virtual machine software
Parallels Workstation uses hypervisor technology, which is a thin software layer between Primary OS and host computer. The hypervisor directly controls some
Parallels_Workstation
Cloud computing software
manage both your infrastructure and workloads. Harvester is a type 1 hypervisor designed to be deployed on bare metal servers. It can be manually installed
Harvester_(HCI)
Pre-configured virtual machine image
appliance is a pre-configured virtual machine image, ready to run on a hypervisor; virtual appliances are a subset of the broader class of software appliances
Virtual_appliance
IBM operating system component
CP-67 is a hypervisor, or Virtual Machine Monitor, from IBM for its System/360 Model 67 computer. CP-67 is the control program portion of CP/CMS, a virtual
CP-67
Specification for isolation of PCI Express resources
configuration resources. The virtual or physical functions available to the hypervisor or guest operating system depend on the PCIe device. The SR-IOV allows
Single-root input/output virtualization
Single-root_input/output_virtualization
Real-time operating system
real-time operating system (RTOS) which has a separation kernel-based hypervisor that supports multiple logical partition types for various operating systems
PikeOS
Hardware-assisted virtualization on x86/x86-64 CPUs
OS inside a host OS by embedding the hypervisor in a kernel module that ran under the host OS (type 2 hypervisor). There has been some controversy whether
X86_virtualization
Hosted hypervisor for Windows and Linux
until release of VMware Workstation 12 in 2015) is a hosted (Type 2) hypervisor that runs on x64 versions of Windows and Linux operating systems. It enables
VMware_Workstation
Operating system virtualization paradigm
orchestration Linux cgroups Linux namespaces Hypervisor Open Container Initiative Serverless computing Storage hypervisor Virtual resource partitioning Root user
OS-level_virtualization
Cloud computing platform
OnApp Limited Release 2.0 2010-07-19 Stable release 6.5 stable Platform Hypervisors (Xen, KVM, VMware, EC2) Type Public and private cloud computing Website
OnApp
Free Unix-like operating system kernel
(with KVM or Xen, and using QEMU for hardware emulation); On the Xen hypervisor, the Linux kernel provides support to build Linux distributions (such
Linux_kernel
simultaneously on a mobile phone or connected wireless device. It uses a hypervisor to create secure separation between the underlying hardware and the software
Mobile_virtualization
Linux distribution developed by Canonical
run in a virtual machine, either inside a host operating system or in a hypervisor, such as VMware ESXi, Oracle VirtualBox, XenServer, Microsoft Hyper-V
Ubuntu
Family of digital signal processor microprocessors
Hexagon runs under a hypervisor layer ("Hexagon Virtual Machine") and was merged with the 3.2 release of the kernel. The original hypervisor is closed-source
Qualcomm_Hexagon
Virtualization software suite
Operating system Microsoft Windows Linux Platform x86-compatible Type Hypervisor License Freeware (certain underlying components used are open-source)
VMware_Server
American software engineer
gained read and write access to the machine's system memory as well as hypervisor level access to the machine's CPU. On January 26, 2010, Hotz released
George_Hotz
travel, tourism, insurance
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travel, tourism, insurance