Xen version 3.0 introduced the capability to run Microsoft Windows as a guest operating system unmodified if the host machine's processor supports hardware virtualization provided by Intel VT-x (formerly codenamed Vanderpool) or AMD-V (formerly codenamed Pacifica).
Then, what is Xen in cloud computing?
Xen is a hypervisor that enables the simultaneous creation, execution and management of multiple virtual machines on one physical computer. Xen was developed by XenSource, which was purchased by Citrix Systems in 2007. It is an open source hypervisor. It also comes in an enterprise version.
Also, is XenServer still free?
Now in December 2017, while there is still a free edition, with the new XenServer 7.3 update that edition has had multiple features removed. XenServer is available in Free, Standard and Enterprise editions.
Is Xen a bare metal hypervisor?
What is the Xen Project hypervisor? The Xen Project community develops an open-source type-1 or bare-metal hypervisor, which makes it possible to run many instances of an operating system or indeed different operating systems in parallel on a single machine (or host).
Who uses Xen hypervisor?
Amazon Web Services alone runs ½ million virtualized Xen Project instances according to a recent study and other cloud providers such as Rackspace and hosting companies use the hypervisor at extremely large scale.