After listening how the community has interpreted Command-Query Responsibility Segregation I think that the time has come for some clarification. Some have been tying it together to Event Sourcing. Most have been overlaying their previous layered...

One question that I get asked about quite a bit with relation to messaging is about search. Isn’t search inherently request/response? Doesn’t it have to return immediately? Wouldn’t messaging in this case hurt our performance? While I tend to put...

I just finished listening to the Microsoft presentation on how they use the Concurrency & Coordination Runtime (CCR) in MySpace (the stated largest web site running .NET). Some interesting numbers were stated in the talk. Tens of thousands to...

My latest article has been published in issue 21 of the Microsoft Architecture Journal: EDA: SOA Through The Looking Glass While event-driven architecture (EDA) is a broadly known topic, both giving up ACID integrity guarantees and introducing...