BizTalk: Implement Design Patterns for Business Rules with Orchestration Designer

MSDN Magazine, October 2001: "This article describes several traditional design patterns including the Observer pattern and the Dispatcher pattern, elaborates on their structures, what they're used for, and how they can help you build a BizTalk-based solution. Following this is a discussion on using the BizTalk Orchestration Designer to build designs and integrate existing business processes. "