Another pub sub technology - Apache Pulsar
has some advantages over Kafka
https://www.youtube.com/watch?v=7h7hA7APa5Y

Here is a good advantage of Pulsar over Apache:
https://kafkaesque.io/7-reasons-we-choose-apache-pulsar-over-apache-kafka/

1. Streaming and queuing Come together
2. Partitions, but not necessarily partitions
3. Logs are good, distributed ledgers are better
4. Stateless Brokers, What?
5. Geo-replication for dummies
6. Consistently Faster
7. It’s All Apache Open Source