KVM is a Kernel-based Virtual Machine driver. It relies on Intel VT or AMD-V hardware and does full virtualization. As of late 2006 it is pretty new code, but it is already available in kernel packages for Open``Su``SE, Debian and RHEL-RT. More information on KVM can be found on http://kvm.qumranet.com/ [wiki:KVM/Performance Here] are some early performance numbers with KVM on an AMD processor.