OPC-UA internal or external data store?|OPC UA Implementation: Stacks, Tools, and Samples|Forum|OPC Foundation

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OPC-UA internal or external data store?
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Simon de Kraa
The Netherlands
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02/24/2022
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05/16/2022 - 13:34
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Hello,

We have a solution that receives data from devices and should emit a certain data structure and data using OPC-UA.

For example:

/location/area/equipment/device/temperature

What is the best practice? Should we have the OPC-UA server recreate the data structure and data on startup based on the data stored in solution?

Or should we have the OPC-UA server store the data structure and data itself?

Regards,

Simon.

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Randy Armstrong
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05/17/2022 - 06:39
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UA servers should not replicate information from a downstream system when possible

The may maintain a cache for performance reasons but you need logic to ensure this cache is kept up to date.

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