| Feature | AMQP | MQTT | Kafka (Event Streaming) |
|---|
| Message Model | Queue-based | Publish-Subscribe | Log-based |
| Best For | Reliable messaging, enterprise apps | IoT & lightweight devices | High-throughput event streaming |
| Persistence | Yes | Optional | Retained as event logs |
| Scalability | High | Moderate | Extremely high |
| Protocol Overhead | Higher | Lower | Higher |
Conclusion
- Use AMQP if: You need guaranteed message delivery, complex routing, and high reliability.
- Use MQTT if: You need lightweight messaging for IoT or mobile applications.
- Use Kafka if: You need high-throughput event-driven architecture.