MQTT - System Protobuf SSL

Enter a name for the connector

Yes

IP Address or Server FQDN of MQTT broker (Must be reachable from the Edge system)

Yes

MQTT broker port

No

CA Certificate for SSL connection

No

Unique client identity

Yes

User name

Yes

User password

Yes

The Quality of Service (QoS) level is an agreement between the sender of a message and the receiver of a message that defines the guarantee of delivery for a specific message.

You can publish several messages simultaneously. When you publish, a larger value allows more throughput but may lead to packages losing messages despite assigning QoS=1.

Note: the QoS option depends upon the server configuration.

No

For example, Mosquitto has the following options:

According to the Mosquitto documentation, once this limit has been reached, subsequent messages are silently dropped. You can modify the server configuration or set this value in accordance with the server option.

Yes

Default topic for publishing or subscribing

Yes

Set a limit on the number of outbound messages per second. If sending data to a server that has restrictions on the rate of incoming messages, this ensures that no messages are lost.

No

If enabled, messages in the outbound queue are stored on disk. If there are interruptions in connection or power loss, messages will be retained and eventually sent when the connection is restored.

No

Select the sequence of data transfer: FIFO or LIFO. Selecting FIFO (First In First Out) will send the earliest message first. Selecting LIFO (Last In First Out) will send the latest message first.