Case sensitivity of OPC UA opc.tcp endpoints|OPC UA Standard|Forum|OPC Foundation

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Case sensitivity of OPC UA opc.tcp endpoints
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Thomas Nehring
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03/05/2024 - 01:25
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Hello, 

I'm wondering whether opc.typ endpoints are case sensitive. Looking into the spec I was not able to find anything, but that information may be hard to find.

I would assume that - if the spec does not say anything about it - the pertinent RFC should be followed. I have to admit I'm not 100% which one that might be, but in 3986 it says (https://tools.ietf.org/html/rf.....on-6.2.2.1) that scheme and host are case insensitive, while

"[..]The other generic syntax components are assumed to be case-sensitive unless specifically defined otherwise by the scheme [..]".

Since I did not find anything 'specifically defined otherwise' I would assume that this applies. Is that correct?

Thank you in advance and bR,

Thomas

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Randy Armstrong
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03/05/2024 - 22:37
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The domain part of the URL is case insensitive because DNS is case insensitive.

Any text after the host/port would be case sensitive.

In what context does this matter?

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