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@@ -15,17 +15,17 @@ _From "Domain-Driven Design: Tackling Complexity in the Heart of Software" by Er
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However, Event Sourcing with DCB has some advantages/solves some pitfalls over a traditional aggregate setup.
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### Reusable domain events
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In traditional event sourcing design, there's typically a strict one-to-one relationship between an aggregate and a domain event, which keeps the aggregate internally consistent.
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However, the DCB pattern removes this restriction by treating domain events as _pure events_.
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In traditional event sourcing (if we call it like that already 😛), there’s usually a strict one-to-one relation between an aggregate and a domain event,
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which helps keep things internally consistent within each aggregate. The DCB pattern takes a different approach by loosening this rule and treating domain events as so-called _pure events_.
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This shift allows us to develop business decision models using specific subsets of domain events, even when they span across multiple domain identities.
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This opens up new possibilities for building business decision models based on selected domain events,
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also when these events spread across different domain identities.
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This approach aligns well with how [EventStorming](https://github.com/ddd-crew/eventstorming-glossary-cheat-sheet) currently conceptualizes aggregates.
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In EventStorming, these are often referred to as "systems" or "consistent business rules"
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rather than “aggregates” to make the concept more accessible to non-technical participants in the design process.
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This approach lines up well with how [EventStorming](https://github.com/ddd-crew/eventstorming-glossary-cheat-sheet) looks at aggregates.
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In EventStorming, what we typically call aggregates is nowadays be seen as "systems" or "consistent business rules", making the concept easier to grasp for non-technical actors involved in design.
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Replacing aggregates with business decision models through the DCB pattern mirrors EventStorming’s focus on "business rules",
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bringing the software design closer to the problem space and reducing accidental complexity that can arise from translating to a purely technical aggregate concept.
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So, by replacing aggregates with business decision models with the DCB pattern, we’re aligning more closely with EventStorming’s focus on "business rules".
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This brings our design closer to the actual problem space and avoids so-called _accidental complexity_ that is introduced with the translation to aggregates.
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### No aggregate synchronisation nor domain services needed
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As a domain event can be used by multiple business decision models, there is no synchronization needed between aggregates.

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