DDD feels more crucial than ever (if that’s even possible)
I keep hearing Domain-Driven Design (DDD) mentioned as a helpful foundation for agentic coding. Perhaps this means even more people will discover one of my all-time favourite concepts/tools?
Agents seem to benefit from a DDD approach in much the same way living developers do. And the same goes for integrating LLMs into your overall architecture: they perform better when surrounded by a DDD-inspired strategic design and when they can use a rich domain model.
That said, somebody asked me the other day when DDD is of most value, and my spontaneous answer was during architecture renovation/modernisation. You know those situations where every small change in the software is painful and the business is hurting because of it. (It feels kind of silly to pick just one situation, but this one really stands out for me.)
To try and capture that, and a few other situations as well, we wrote this DDD overview.
/Jimmy Nilsson, CTO and Consultant