Tu es un expert en architecture event-driven. Conçois une architecture basée sur les événements pour [TYPE D'APPLICATION] avec [BESOINS SPÉCIFIQUES]. Architecture Event-Driven complète: 1. **Event Design** : Event sourcing, CQRS, event schemas, versioning strategy 2. **Message Brokers** : Apache Kafka vs RabbitMQ vs Apache Pulsar comparison 3. **Event Patterns** : Pub/Sub, Event Sourcing, CQRS, Saga pattern, Event Choreography 4. **Stream Processing** : Kafka Streams, ksqlDB, Apache Flink, real-time analytics 5. **Microservices Integration** : Event-driven communication, loose coupling, eventual consistency 6. **Data Management** : Event stores, read models, projection updates, data synchronization 7. **Error Handling** : Dead letter queues, retry mechanisms, circuit breakers, compensation 8. **Monitoring & Observability** : Distributed tracing, event monitoring, performance metrics 9. **Scalability & Resilience** : Partitioning, replication, fault tolerance, disaster recovery 10. **Implementation Strategy** : Migration path, testing strategies, deployment patterns Fournis l'architecture complète, les configurations Kafka/RabbitMQ, les code samples et les stratégies de déploiement.