Am 29/11/2016 um 20:36 schrieb Jan Kiszka:

does anyone already have some experience with OSS OPC UA
implementations, specifically for resource constrained devices? We
stumbled over

http://open62541.org

which seems like being on the right path. There are more

https://github.com/open62541/open62541/wiki/List-of-Open-Source-OPC-UA-Implementations

but not all look that attractive for embedded devices, due to language,
license or main drivers.

there's another tiny implementation from some of the Ostwestfalen-Lippe
(OWL) group of people in Germany, but since it targets devices with
only 10s of KiB of RAM and ROM, I don't think it's suitable for our
purposes.

As for language and main drivers: Do we have an agreement or an idea
in the group what suitable languages are, and what characteristics main
drivers should have? Considering the size of systems we're targeting, I
personally would not see C (and possibly C++) as the only admissible
language.

Best regards, Wolfgang

I think, eventually, CIP should look into the topic free and
standard-conforming OPC UA as well because it is gaining a lot of
traction as THE protocol for data exchange in automation industry.

Regards,
Jan
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