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One of the most important building blocks of Domain Driven Design is the Domain Event. This was not always the case. At the early days of DDD, domain event's were just one of many building blocks. It was not as highly regarded as other building blocks such as Entities, Aggregates, Repositories... Domain events have many interesting properties. They can be used in the discovery and modelling process in the Event Storming workshops, but they are also great landmarks of business processes in domain models and the code itself. Also, the wider adoption of CQRS based and Event sourced architectures in the industry, put domain events at the heart of the systems. However, the implementation of domain events inside architecture is not straightforward and there are many technical constraints one has to take into account. In this talk, Tomasz will discuss different patterns he's worked with that has helped him to leverage domain events into the distributed architectures.

Domain events have many interesting properties. They can be used in the discovery and modelling process in the Event Storming workshops, but they are also great landmarks of business processes in domain models and the code itself. Also, the wider adoption of CQRS based and Event sourced architectures in the industry, put domain events at the heart of the systems.

However, the implementation of domain events inside architecture is not straightforward and there are many technical constraints one has to take into account.

In this talk, Tomasz will discuss different patterns he's worked with that has helped him to leverage domain events into the distributed architectures.

You can find tom @tjaskula, Blog and recently on Medium

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