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  • Oleksandr Smolovyk thinks this is interesting:

Analysis: Overall this pattern is relatively easy to deploy due to the decoupled nature of the event-processor components. The broker topology tends to be easier to deploy than the mediator topology, primarily because the event-mediator component is somewhat tightly coupled to the event processors: a change in an event processor component might also require a change in the event mediator, requiring both to be deployed for any given change.

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Cover of Software Architecture Patterns

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Looks like paragraph related to event-driven pattern