Smart Broker vs Dumb Broker (Kafka and RabbitMQ)

Question

Discussing the differences between Kafka and RabbitMQ, the “deaf broker” and “smart broker” continue to appear in their interaction with consumers. Kafka is described as having a dumb broker, while RabbitMQ is said to have a smart broker / dumb consumer model.

What exactly does this mean? I am familiar with the basics of Kafka and a bit more about RabbitMQ. However, what features of RabbitMQ make the broker smarter than Kafka?

Answer 1

This is a question that once bothered me too :) That's what I understood so far ...

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Pivotal blog RabbitMQ Kafka.