A new scenario based TechNet wiki article written by our documentation team describes how to use Service Provider Foundation to programmatically integrate cloud resources that Virtual Machine Manager (VMM) manages into existing management portals and orchestration.

http://social.technet.microsoft.com/wiki/contents/articles/13310.cloud-resource-management-with-system-center-2012-service-pack-1-sp1-orchestrator-and-service-provider-foundation.aspx