Open-source, scalable, and fault-tolerant MQTT broker able to handle 4M+ concurrent client connections, supporting at least 3M messages per second throughput per single cluster node with low latency delivery. The cluster mode supports more than 100M concurrently connected clients.
Pull Request description
Packet ID can be [1, 65535]. In some cases, 65535 was not used and after 65534 it was 1.
General checklist
Front-End feature checklist
Back-End feature checklist