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ITEA is the Eureka Cluster on software innovation
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Extension of OPC UA by lightweight publish/subscribe protocol MQTT (Technology)

Project
16043 OPTIMUM
Description

Open62541 stack extended with MQTT features for both publisher and subscriber (open62541 offers only the publisher).

Contact
Will be provided as a fork of open62541 stack via gitlab of University of Rostock (URO). Potentially handed over to open62541 developers.
Email
optimum@ws4d.org
Technical features

Input(s):

  • Messages containing requests / commands via MQTT or OPC UA

Main feature(s):

  • Relay between MQTT and OPC UA communication protocols, broker-based OPC UA data distribution using an MQTT broker

Output(s):

  • Full support of MQTT in OPC UA publish-subscribe layer of open62541 library
Integration constraints

Support of MQTT

Targeted customer(s)
  • Manufacturers of (I)IoT devices
  • TRL 5 – technology validated in relevant environment (industrially relevant environment in the case of key enabling technologies)
Conditions for reuse

Mozilla public license MPL 2.0

Confidentiality
Public
Publication date
12-05-2021
Involved partners
University of Rostock (DEU)