Key points can be found there and everyone will choose their own priorities. For us these are: * https://bloomberg.github.io/blazingmq/docs/introduction/comp... * https://bloomberg.github.io/blazingmq/docs/introduction/comp... (Kafka is Java as well as TBMQ, Kafka already does not depend on Zookeeper) * https://bloomberg.github.io/blazingmq/docs/introduction/comp... * https://bloomberg.github.io/blazingmq/docs/introduction/comp... (for this we recommend reviewing our test - https://thingsboard.io/docs/mqtt-broker/reference/3m-through...)