Implementing Domain-Driven Design

Spreading the News to Remote Bounded Contexts

There are several possible ways for remote Bounded Contexts to become aware of Events that occur in your Bounded Context. The primary idea is that some form of messaging takes place, and an enterprise messaging mechanism is needed. To be clear, the mechanism being spoken of here goes well beyond the simple, lightweight Publish-Subscribe components just discussed. Here we are discussing what takes over where the lightweight mechanism leaves off.

There are numerous such messaging components available, and they are generally classed as middleware. From the open source ActiveMQ, RabbitMQ, Akka, NServiceBus, and MassTransit, to the various commercially licensed products, there are plenty of options. We ...