Citrix resurrects King George as hypervisor • The Register

Citrix resurrects King George as hypervisor • The Register: "Xen 3.3 has features that allow for dynamic reallocation memory between guest VMs and for VMs to migrate between different generations of processors. Xen 3.3 also includes support for power management features on servers, which can gear down or shut down unused components (such as cores and caches) that are not being used by workloads."