My concern is if current standardization proposals covered by the OPC Unified Architecture suits of specifications are adequate to address the challenges of further development of the Internet of Things (IoT) and Industry 4.0 concept. These doubts may be expressed as a crucial question:

  • Do we need Rel 2.0 of the OPC UA?

Nothing is done forever, hence the question will arise sooner or later. Based on my research on Object-Oriented Interned described in:

  • Chapter Object-Oriented Internet Reactive Interoperability

my opinion is that the question is not if but why rather. The answer must be a tradeoff between backward compatibility and further innovation deployment.

I am working on a consistent answer addressing the consecutive question of

  • Why we need Rel 2.0 of the OPC UA?

Your thought is welcome and will be very valuable for this work. Don't hesitate to share it with us.

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