Confluent Cloud in Depth-Choosing and Migrating covered services that speak Kafka 129 's protocol, including Redpanda 64,862 (Redpanda), and MSK, Event Hubs, Google Kafka set Amazon Kinesis 24 against MSK. This section turns to systems with their own protocols that also keep a replayable log, and to the cloud providers' queues. Pulsar and NATS run here in Docker 514 with the first 20,000 of BookNest's sample order events (Kafka at BookNest).