Broker Topology vs Mediator Topology: Decentralized vs Centralized Event Flow
Overview Broker and mediator topology are the two core styles for structuring event-driven architectures, differing in who controls the flow of events between components. In a broker topology, events flow directly between producers and consumers through a distributed broker with no central authority, while a mediator topology routes every event through a central orchestrator that dictates the sequence of steps. The choice determines how easily the system scales versus how easily complex, stateful workflows can be managed and debugged. ...