Microsoft Private Cloud namely the System Center 2012 suite of products has enabled the cross platform management of multi-vendor hypervisors to make Virtualization a reality in heteronegeous datacenter environments which can service customers ranging from SMB (Small MediumBusiness) to large business around the world.
Unlike its predecessor, System Center 2012 integrates all Private Cloud management tools into a single suit, which consists of:
Ultimately Microsoft has made it technically feasible, operationally feasible and most of all, financially feasible in this context, which allows you to.
Additional resourecs:
Ken Sim, Technical Evangelist, Microsoft Corporation
Microsoft Virtualization, Private Cloud & Windows Server 2012