After publishing the article on CEP on the Microsoft platform a couple of days ago ( see, I was reminded of an excellent presentation given by my good friends John Plummer and Jeff Johnsonat the Microsoft Architect Insight conference in 2008. John and Jeff both work for Microsoft in the UK. They used NEsper (the .NET port of the open source Esper event processing engine) to demonstrate how CEP might be used in conjunction with BizTalk technologies. I dug out the slides and reminded myself of their presentation. All very good stuff. the slides are at: