Domain-Driven Design Distilled, 1/e

Chapter 6. Tactical Design with Domain Events

You’ve already seen a bit in previous chapters about how Domain Events are used. A Domain Event is a record of some business-significant occurrence in a Bounded Context. By now you know that Domain Events are a very important tool for strategic design. Still, often during tactical design Domain Events are conceptualized and become a part of your Core Domain.

To see the full power that results from using Domain Events, consider the concept of causal consistency. A business domain provides causal consistency if its operations that are causally related—one operation causes another—are seen by every dependent ...