The Real Truth About Event-Driven Architecture isn’t about slapping events on every interaction and calling it a day. While EDA can help you decouple systems, you still face temporal coupling (your services still need to be up when they fire or process events), and “infinite” scalability often just pushes bottlenecks somewhere else. And weaving complex, long-running workflows across microservices? That’s usually a design smell that’ll haunt you later.
Instead, focus on clear service boundaries, understand when and why you really need ordering guarantees, and pick the right coupling strategy for each use case. Nail down those design-time contracts, keep workflows simple, and treat scalability as a system-wide concern — not just a feature of your messaging bus.
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