Xen is is a virtual machine monitor for x86 that supports execution of
multiple guest operating systems with unprecedented levels of performance
and resource isolation. Xen is Open Source software.
See http://www.cl.cam.ac.uk/Research/SRG/netos/xen/ for more details on Xen.
See http://www.netbsd.org/Ports/xen/ for more details on NetBSD/xen.
