Event-Driven Architecture
Overview
Event-driven architecture is a software design pattern where system components communicate through events.
Core Components
- Event Producers: Generate events
- Event Consumers: Process events
- Event Channel: Transport mechanism
- Event Store: Persist events
Patterns
- Pub/Sub: Publishers and subscribers
- Event Sourcing: Store state as sequence of events
- CQRS: Separate read and write models
Benefits
- Loose coupling
- Scalability
- Asynchronous processing
- Real-time capabilities
Use Cases
- Real-time analytics
- IoT systems
- Microservices communication
- User activity tracking
Technologies
- Apache Kafka
- RabbitMQ
- AWS EventBridge
- Azure Event Grid