Today I found a really nice overview about the new Hyper-V 3.0 Components.

“Provides a visual reference for understanding key Hyper-V technologies in Windows Server “8” Beta and focuses on Hyper-V Replica, networking, virtual machine mobility (live migration), storage, failover clustering, and scalability.” (c) Microsoft Corp.

Here you have a good overview. If you print that PDF, please make sure that you have at least an A3 printer.