Virtualisation Support
Virtualisation software allows a single computer to run multiple operating systems ( or Virtual Machines [VM] ). Intel's Virtualisation Technology (VT) and AMD's AMD-V provide processor extensions to support virtualisation. This makes the VMs run much more quickly. These extensions are usually features of premium models in a given processor range.
There is also a second generation of virtualisation extensions to support Second Level Address Translation (SLAT), a feature of virtualisation software designed to improve the management of virtual (paged) memory. These extensions are referred to as Extended Page Table (EPT) by Intel and Rapid Virtualisation Indexing (RVI) by AMD.