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Microsoft’s cloud-based middleware platform, Azure AppFabric, is designed to streamline the development, deployment and support of applications on the Windows Azure platform. The Azure AppFabric initiative serves as the foundation of the Platform-as-a-Service (PaaS) in the Windows Azure stack as well.
Microsoft is supporting four types of multitenancy with Azure AppFabric. These types of multitenancy are explained in the presentation, with an analysis by Gartner of the multitenancy options also provided. You will find a link to the Gartner research note below.
AppService Bus Is Key To Integration in Windows Azure. The AppFabric Service Bus is an interesting integration concept Microsoft is working on right now, as its design goal is to connect systems and content outside the firewalls of companies, unifying it with internal, often legacy systems’ data. How ServiceBus will define context has not been shared by Microsoft. That however will be interesting to see, as contextual content in this type of configuration has much potential for redefining internal search.
Usability is King. Azure’s design objective for a usability standpoint is to deliver the content to any device, anywhere in the world, at any time. It is a very ambitious project and the following presentation does an excellent job of putting Azure AppFabric into context.
Research note from Gartner. Yefim Natis, David Mitchell Smith, David Cearley have written an insightful research note on AppFabric’s current status (as of November, 2010) and have also defined in detail its architectural components. Here is the research note: Windows Azure AppFabric: A Strategic Core of Microsoft’s Cloud Platform.