Glossary

Event-Driven Architecture (EDA)

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In an EDA, the flow of the program is determined by events — a change in state like "user signed up" or "invoice paid" — which trigger actions in other parts of the system.

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How does EDA improve system resilience?

Services are "Loosely Coupled." If the "Email Service" is down, the "Sign-up Service" can still work and just drop an "event" into a queue for later processing, rather than crashing the whole user experience.

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