overview-ddd-architecture

Structure a Domain-Driven Design project using a DRN-style tiered architecture with Domain, Application, Infrastructure, and Hosted layers to clarify dependencies and improve maintainability. This approach defines standard layer boundaries and module organization for scalable applications.

DRN-style DDD architecture is a modular design pattern that organizes applications into Domain, Application, Infra, and Hosted tiers with strict dependency rules. You need it when structuring complex projects that require clear layer responsibilities and maintainable code locality.

Define dependency rules in a DDD project by assigning specific responsibilities to each tier: Domain holds business logic, Application orchestrates use cases, Infra handles external concerns, and Hosted manages presentation. This enforces clean architecture alignment through module registration patterns.

Yes, DRN-style architecture suits modular project organization at scale by supporting feature-based module organization within tiered layers. It ensures code locality and maintainability across large repositories by enforcing strict dependency rules and layer boundaries.

The best way to organize feature modules in a clean architecture project is applying a DRN-style tiered structure with standard layers like Domain, Application, Infra, and Contract. This strategy supports feature development by keeping related code localized within defined boundaries.

A limitation of tiered architecture for DDD is the overhead of managing strict layer boundaries and module registration patterns across Domain, Application, Infra, and Hosted tiers. It should be avoided for small projects where modular design adds unnecessary complexity without scalability benefits.