Citrix OpenCloud Solutions offer an open, pragmatic approach to cloud computing. Seven turnkey solutions, focused on practical cloud use cases and delivered by proven cloud providers let enterprises immediately take advantage of cloud economics to address pressing business and IT needs. Citrix OpenCloud Solutions let enterprises leverage existing investments, including third-party virtualization technologies and tools, and gain mobility of application workloads to the cloud without having to overhaul existing applications or their underlying infrastructure.
Citrix OpenCloud Framework consists of core platform virtualization, physical and virtualized edge networking, and application and desktop virtualization services for building, managing and federating cloud datacenters. Openness and choice are maintained since no one service requires another. Different components of Citrix OpenCloud Framework can be
mixed-and-matched with existing, in-place infrastructure.

Check out the Whitepaper here