The document discusses new features in Windows Server 2008 R2 including Hyper-V 2, Cluster Shared Volumes, Live Migration, and hosted desktops. It provides details on the architecture and capabilities of Hyper-V, including support for 32-bit and 64-bit VMs, large memory support, SMP, and integrated cluster support. It describes features like Live Migration, storage improvements with Cluster Shared Volumes, and new processor support for technologies like Second Level Address Translation.