“The Microsoft Business Framework (MBF) provides programming abstractions and a prescriptive architecture suitable for the development and deployment of business applications based on a distributed, service oriented architecture.” Patrick Logan links to the presentation from PDC. It needs Powerpoint runtime viewer, so if you don’t have it, you can check out the slides.
The reason I am interested in it is because it is very similar to what we want to do in Visual Biz-ic — create a framework for business process modelling and design.