Event-Driven Architecture: The Future of Scalable Apps | Systems with Sana

When you book an Uber, at least 12 different systems need to know — billing, navigation, driver matching, notifications, analytics, fraud detection. How does that happen without every system calling every other system directly?

The answer is event-driven architecture — one of the most important patterns in modern distributed systems. In this video I explain tight vs loose coupling, how publishers and subscribers work, why Kafka is the most popular event broker, and how this pattern lets companies add new features without touching existing code.

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00:00 Multiple systems react (Uber example)
00:12 The problem — too many services, direct connections
00:26 Tight coupling — why it breaks at scale
00:40 Event-driven — publish an event
00:52 Message broker — Kafka, RabbitMQ
01:05 Publish–subscribe — services react independently
01:18 Loose coupling — scale + no blocking
01:28 Newspaper analogy

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Видео Event-Driven Architecture: The Future of Scalable Apps | Systems with Sana канала Systems with Sana