Xen is the fastest growing high-yield virtualization platform that is currently available. Initially developed in Cambridge University, Xen is an Open Source project which, among other features, provides: secure insulation, control of resources, service quality guarantees and live migration of virtual machines.
There are many global technology leaders who are committed to Xen and invest strategic funds in its support and development: Intel, AMD, Cisco, Dell, Egenera, HP, IBM, Mellanox, NetApp, Novell, Red Hat, Sun, Veritas, Voltaire and XenSource.