August 2026
308 pages
12h 3m
English
book
Message- and Event-Driven Systems with CQRS and Event Sourcing: Web and Cloud Architecture
by Alex Lawrence
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Chapter 4. Tactical Building Blocks
Domain models, when employed, are the heart of every software system. They define the required behavior and data structures for specific capabilities. Within every conceptual boundary, there is a distinct model of its own. Among the parts of a self-contained system, one of them is always concerned with the core domain. For a software product, this part is the most critical strategic component. If the model implementation in this area does not fulfill its duties, the software risks failing its purpose. While infrastructure components are also vital parts of a system, they are generally secondary. Technologies like a message broker or a database can be switched out for others without necessarily impacting key ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.