Today Microsoft made previews of System Center 2012 R2 and Windows Server 2012 R2 available and also the Windows Azure Pack formerly known as Windows Azure Services for Windows Server.
Windows Azure Pack for Windows Server is a collection of Windows Azure technologies, available to Microsoft customers at no additional cost for installation into your data center. It runs on top of Windows Server 2012 R2 and System Center 2012 R2 and, through the use of the Windows Azure technologies, enables you to offer a rich, self-service, multi-tenant cloud, consistent with the public Windows Azure experience.
The Microsoft Cloud OS: One Consistent Platform
The Cloud OS is Microsoft’s vision of a consistent, modern platform for the world’s apps running across multiple clouds; enterprise datacenters, hosting service provider datacenters and Windows Azure. The Windows Azure Pack helps to deliver on this vision by bringing consistent Windows Azure experiences and services to enterprise and hosting service provider datacenters with existing investments in System Center and Windows Server.
Get more information on the Windows Azure Pack homepage.