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Re: [urn] corporate URN namespaces

"Lars G. Svensson" <lars.svensson@web.de> Mon, 29 January 2024 09:51 UTC

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From: "Lars G. Svensson" <lars.svensson@web.de>
To: urn@ietf.org
References: <6c0de4ca-dbc0-401d-b1df-34147ec9829b@stpeter.im>
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Date: Mon, 29 Jan 2024 10:51:29 +0100
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Subject: Re: [urn] corporate URN namespaces
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Dear Peter,

Regarding commercial entities registering URNs, I don't see any reason why
we shouldn't approve those.

The use of unregistered URNs (or URNs with unregistered namespaces)
definitely must be discouraged, although I of course see that it's an uphill
battle...

My €0,02.

Best,

Lars

-----Ursprüngliche Nachricht-----
Von: urn [mailto:urn-bounces@ietf.org] Im Auftrag von Peter Saint-Andre
Gesendet: Freitag, 26. Januar 2024 20:36
An: urn@ietf.org
Betreff: [urn] corporate URN namespaces

Hi all,

You might be aware that various corporations have created their own URN
namespace IDs without registering them. As examples:

URLs for LinkedIn posts are of the form
https://www.linkedin.com/feed/update/urn:li:activity:somelongnumberhere/
(presumably they use the standalone URNs somewhere in their system).

Similarly, Amazon uses URLs containing urn:rtn:msg:somethingsomething in
emails to you about product returns; here is a truncated example:

https://www.amazon.com/gp/f.html?C=2WFAH2342Q3N1&K=3SEUCCRFF9WAS&M=urn:rtn:m
sg:202401201905199531b363910d4325b9b8a9dd8910p0na

And so on.

So far, I have tried without success to contact people I know at these
companies about the namespaces they are using. (Naturally, it is not our job
to chase these people down, but the current situation seems less than
optimal.)

Under RFC 2141 / RFC 3406 we actively discouraged registration of URN
namespace IDs by commercial entities, but we dropped "policy" that in RFC
8141. As long as a corporation provided documentation of their URN structure
and followed the registration rules in RFC 8141 (etc.), it seems to me that
we'd likely approve such registrations.

I'm curious how community participants and expert review team members see
the matter.

Peter

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