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Event Sourcing

Event Stream as a Message Queue

I was recently having a discussion around a system being built using Microsoft Azure.  Some concepts being discussed for this system where CQRS, Event Sourcing and Message Queue. The diagram below is fairly typical when discussing CQRS and Event Sourcing. One of the first things that stood out to me was the use of the Message Queue and Azure Service Bus. For this blog post, I want to focus on the Service bus, which is used for publish-subscribe pattern.  The domain will emit events that are stored to the event stream and then will be published to the Service Bus.  Subscribers, such as… Read More »Event Stream as a Message Queue