Companies such as Google and Yahoo use the hypervisor at scale for their internal infrastructure. 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.
Conservative estimates show that Xen has an active user base of 10+ million: these are users, not merely hypervisor installations which are an order of magnitude higher. Reliable technology with a solid track record The hypervisor has been in production for many years and is the #1 Open Source hypervisor according to analysts such as Gartner. Our software keeps your choices open as Cloud solutions continue to improve and mature. With the world of the Cloud moving so quickly, it could be a mistake to commit to one Cloud platform too soon. Supports multiple Cloud platforms: CloudStack, OpenStack A virtualization technology which only supports one Cloud technology locks you into that technology. VMware Alternative: Using Xen Server for Virtualization With our hypervisor, you have the flexibility to use what you need and add other operating system platforms as your needs dictate. Supports multiple guest operating systems: Linux, Windows, NetBSD, FreeBSD A virtualization technology which only supports a few guest operating systems essentially locks the organization into those choices for years to come. Our Xen Project virtualization and cloud software includes many powerful features which make it an excellent choice for many organizations: There are several virtualization technologies available in the world today. Xen and the art of embedded virtualization (ELC 2017) from Stefano Stabellini Many presentations and videos of those events are available here. Over the years, the Xen community has hosted several Xen Summit events where the global development community meets to discuss all things Xen. Xen and the new processors - Rami Rosen, Lwn.net.Virtualization in Xen 3.0 - Rami Rosen, Linux Journal.Introduction to the Xen Virtual Machine - Rami Rosen, Linux Journal.Xen Summit 3.0 Status Report - Cambridge 2005.Linux World 2005 Virtualization BOF Presentation - Overview of Xen 2.0, Live Migration, and Xen 3.0 Roadmap.Ottawa Linux Symposium 2004 Presentation.Live Migration of Virtual Machines - Christopher Clark, Keir Fraser, Steven Hand, Jacob Gorm Hansen, Eric Jul, Christian Limpach, Ian Pratt, Andrew Warfield.Safe Hardware Access with the Xen Virtual Machine Monitor - Keir Fraser, Steven Hand, Rolf Neugebauer, Ian Pratt, Andrew Warfield, Mark Williamson.Xen Project Release and Roadmap Process (4.7+) from The Linux Foundation
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