The Real Truth About Event-Driven Architecture

Event-Driven Architecture gets hyped as the silver bullet for loose coupling and infinite scale, but there’s more to it. You’ve got to watch out for the difference between temporal versus design-time coupling—just sticking on events doesn’t magically decouple your systems. And as for scaling? It doesn’t eliminate bottlenecks; it just moves them elsewhere unless you’re intentional about where you’re putting the load.

Plus, sprawling workflows that hop between services are a classic design smell—less magic, more messy spaghetti. Nail down sensible service boundaries and event ordering from the start, and you’ll avoid the chaos that typically follows when you let events run wild.

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