Event Bus vs Message Queue: What's the Difference?

Can you explain the difference between an event bus and a message queue?

Sure! An event bus is a communication system that allows different components to publish and subscribe to events, while a message queue is a system that stores messages sent from producers to consumers, ensuring that messages are processed in order.

What are the use cases for each?

Event buses are great for real-time applications where you need to broadcast events to multiple subscribers. Message queues are ideal for decoupling services and ensuring reliable message delivery, especially in distributed systems.

Which one is better for microservices?

It depends on your needs! If you require real-time communication, an event bus might be better. For reliable message processing and decoupling, a message queue is often preferred.

Can you give examples of technologies for each?

Certainly! For event buses, you might use technologies like Apache Kafka or RabbitMQ. For message queues, options include Amazon SQS or Azure Service Bus.