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Event-Driven Architecture

Design systems using EventBridge, SQS, SNS, and Step Functions.

Event-Driven Patterns​

Publisher-Subscriber​

  • Decoupled communication
  • SNS topic-based routing
  • Fan-out messaging patterns

Event Sourcing​

  • Event store design
  • Event replay capabilities
  • CQRS implementation

AWS Event Services​

Amazon EventBridge​

  • Custom event buses
  • Event rules and targets
  • Schema registry

Amazon SQS​

  • Message queuing service
  • Dead letter queues
  • FIFO queue ordering

Amazon SNS​

  • Pub/sub messaging
  • Multiple delivery protocols
  • Message filtering

Workflow Orchestration​

AWS Step Functions​

  • State machine design
  • Error handling and retries
  • Parallel and sequential execution

Workflow Patterns​

  • Saga pattern implementation
  • Compensation transactions
  • Long-running processes

Event Design Best Practices​

Event Schema Design​

  • Consistent event structure
  • Versioning strategies
  • Backward compatibility

Error Handling​

  • Retry mechanisms
  • Circuit breaker patterns
  • Graceful degradation