EDA Again
Joe McKendrick brought the subject of event driven architecture again on his SOA in Action blog. I’ve previously commented on this subject, most recently here, here, and here. This is a subject that I like to comment on, because I feel that appropriate use of events are a key to the agility that we strive to achieve. It’s very simple. Services execute actions. Processes orchestrate actions. Events trigger the transitions within the process. You need all of them. A solid messaging infrastructure is critical to event processing, so it’s very surprising to me that the MOM EAI ESB vendors aren’t all over this. Tibco has their complex event processing product, but they really haven’t pushed the event message very hard. What about the registry/repository vendors? Lots of talk about services, but not very much about events. The fact is, just as an enterprise can’t leverage SOA without services, they can’t leverage EDA without events. The two are complimentary, and I encourage the EA’s out there to start doing the work to identify the events that drive the business.
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[…] I’m seeing more and more articles about complex event processing (CEP) these days. If you’ve followed by blog, you’ll know that I’m a big fan of events, so I try to read these when they come across my news reader. One of the challenges I see, however, is that event-driven thinking is not necessarily the norm for businesses. Yes, insurance companies may deal with disaster events, and financial services companies may deal with “life” events like weddings, births, kids going to college, but largely, the view is very service-based. It is reactionary in nature. You ask me for something, and I give it to you. […]