Overview
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This presentation compares four patterns commonly described as event-driven architecture. It discusses their tradeoffs, including decoupling, tracing system behavior, and deciding which events to store.
Syllabus
What people mean by EDA
How he came to write down common patterns of EDA and hold this talk
4 patterns detected
Pattern 1: Event Notification
Events vs Commands
Pro: Decoupling
Contra: inability to understand what is going on by stepping through the code
Pattern 2: Event-carried State Transfer
Pattern 3: Event Sourcing
Can be a very nice system development-wise
Downside of Event Sourcing
Which events to record in the event store?
Pattern 4: CQRS
Conclusion : How to use the knowledge about those 4 patterns
Taught by
GOTO Conferences