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Xen's support for virtual machine live migration from one host to another allows load balancing and the avoidance of downtime. Virtualization also has benefits when working on development (including the development of operating systems): running the new system as a guest avoids the need to reboot the physical computer whenever a bug occurs.
XCP-ng is a Linux distribution of the Xen Project, [1] with pre-configured Xen Hypervisor and the Xen API project (XAPI) working out-of-the-box. The project was born in 2018, following the fork of Citrix XenServer (which became "Citrix Hypervisor" and now "XenServer" again). Since January 2020, it is also part of the Linux Foundation, via the ...
Oracle VM Server for x86 is a server virtualization offering from Oracle Corporation.Oracle VM Server for x86 incorporates the free and open-source Xen hypervisor technology, supports Windows, Linux, and Solaris [3] guests and includes an integrated Web based management console.
^ OS-level virtualization is described as "native" speed, however some groups have found overhead as high as 3% for some operations, but generally figures come under 1%, so long as secondary effects do not appear. ^ See [20] for a paper comparing performance of paravirtualization approaches (e.g. Xen) with OS-level virtualization
Hardware-assisted virtualization (or accelerated virtualization; Xen calls it hardware virtual machine (HVM), and Virtual Iron calls it native virtualization) is a way of improving overall efficiency of hardware virtualization using help from the host processors.
As of Qubes OS 4.1.2, the operating system running in dom0 is Fedora Linux running a paravirtualized Linux kernel. It is the Linux kernel in dom0 that controls and brokers access to all the physical system hardware, via standard Linux kernel device drivers. The operating system hosts the user's graphical desktop and controls most hardware devices.
The TurnKey Linux Virtual Appliance Library is a free open-source software project which develops a range of Debian-based pre-packaged server software appliances (also called virtual appliances). Turnkey appliances can be deployed as a virtual machine (a range of hypervisors are supported), in cloud computing services such as Amazon Web ...
The platform was based on the open source Xen hypervisor. [5] Virtual Iron, like other virtualization software, provided server consolidation, business continuity and capacity management. [6] The Virtual Iron platform consisted of a virtualization manager, virtualization servers and a hypervisor.