Chapter 4: Architecture
Just about everyone knows the Layers Architecture. Are Layers the only way to house a DDD application, or can other diverse architectures be used? Here we consider how to use DDD within such architectures as Hexagonal (Ports and Adapters), Service-Oriented, REST, CQRS, Event-Driven (Pipes and Filters, Long-Running Processes or Sagas, Event Sourcing), and Data Fabric/Grid-Based. Several of these architectural styles were put to use by the project team.
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