Brokers

About

This page serves as a register for implementation specifics. Please keep the broker list in alphabetical order.

AWS IoT

Amazon deviates from the standard on several significant points. Configure the mqtt.Client with AtLeastOnceMax and ExactlyOnceMax each set to either 0 or 1, to prevent seemingly random connection errors.

EMQ X

🛫 During daemon launch the mqtt.Client encounters mqtt: no CONNACK: EOF.

Gmqtt

👻 Messages dropped with “exactly once” delivery on batches of 100 sequential messages.

HiveMQ

🛫 During daemon launch the mqtt.Client encounters mqtt: no CONNACK: EOF.

👻 Messages dropped with “exactly once” delivery on batches of 100 sequential messages.

Mosquitto

✅ No problems were found.

VerneMQ

🛫 During daemon launch the mqtt.Client encounters mqtt: no CONNACK: EOF.

🛫 During daemon launch the mqtt.Client encounters mqtt: broker failed 1 topic filters on subscribe.

🛫 During daemon launch the mqtt.Client encounters mqtt: broker closed the connection (EOF) on publish.