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Software Architecture

Subdomains vs. Bounded Contexts: similar boundaries, different purposes

Subdomains vs. Bounded Contexts: similar boundaries, different purposes

The same business concept doesn't always need the same model. In Domain-Driven Design, subdomains and Bounded Contexts serve different purposes, and understanding the distinction helps us make better architectural decisions.

Understanding Essential and Accidental Complexity

Understanding Essential and Accidental Complexity

Not all complexity comes from the problem. Some of it is introduced by the solution we choose. Understanding the difference between essential and accidental complexity helps us make better architectural decisions.

All Models Are Wrong, But Some Are Useful

All Models Are Wrong, But Some Are Useful

All models are incomplete. That's not a flaw - it's what makes them useful. The real challenge is deciding what belongs in the model and what should deliberately be left out.

Decoupling Archetypes: Identity Over Inheritance

Decoupling Archetypes: Identity Over Inheritance

Inheritance looks elegant until it couples your entire architecture. Learn why Business Archetypes should be connected by identity, not shared base classes, and how this keeps Bounded Contexts independent and maintainable.

Domain Types: Three Myths About Domain Types

Domain Types: Three Myths About Domain Types

Many teams treat domain types as implementation guidance. In reality, they are a tool for understanding the business first. Let's challenge three common myths that can shape your architecture decisions.

Domain Types: How much should you trust AI?

Domain Types: How much should you trust AI?

Well-defined boundaries help AI understand your system. Domain Types answer a different question: how much should you trust AI? Learn where AI can safely accelerate development and where engineering judgment remains essential.

The Anatomy of the Party Archetype

The Anatomy of the Party Archetype

The Party archetype is the foundation for modeling business participants. Discover how separating identity, roles, and relationships creates a flexible domain model that grows with changing business needs.