The Real Truth About Event-Driven Architecture

Event-Driven Architecture (EDA) isn’t a silver bullet—it gives you loose coupling, but hides temporal vs. design-time coupling and can just shift your scalability headaches elsewhere. Complex, cross-service workflows are often a design smell rather than a feature, and without clear boundaries you’ll end up wrestling with event ordering chaos.

To really do EDA right, focus on sensible service boundaries, keep workflows simple, and decide upfront how you’ll handle ordering and consistency. That way you get true flexibility instead of just a new set of headaches.

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