I friend and co-worker of mine, Wade Wegner, just shared this with me. Check it out, it's SO COOL!
Learn how we built a multi-enterprise supply chain application using the cloud services platform. Today, most organizations are deeply interconnected, and business applications span multiple enterprises. See how we built an application that satisfies requirements around connectivity, identity, orchestration, and storage, providing a scalable, pervasive, highly available, general-purpose platform that replaces custom software and infrastructure. Hear about the core requirements for multi-enterprise business applications, their architecture, and the cloud-based framework we built to support them. Learn about the issues we encountered, lessons learned, and useful guidelines and patterns.