Re: [urn] TR: URN Registration for UIC

worley@ariadne.com Wed, 24 May 2023 17:48 UTC

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To: SARFATTI David <SARFATTI@uic.org>
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Subject: Re: [urn] TR: URN Registration for UIC
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SARFATTI David <SARFATTI@uic.org> writes:
> Please find attached our subscription form to obtain a Uniform
> Resource Name (URN) Namespace for the International Union of Railways
> (UIC).
> I remain at your disposal for any complementary information,

I approve of your registration, although I request you consider the
following editorial changes:

The title of the document is

    A Uniform Resource Name (URN) Namespace for the International
    Union of Railways (CGI)

Should "CGI" be "UIC"?

   Declared registrant of the namespace:

      Name:           Union International de Chemin de Fer
      Address:        16, rue Jean Rey 75015 Paris, France
      Contact:        David Sarfatti 
                      E-mail: sarfatti@uic.org

You might want to consider providing a "role address" here rather than
an individual address as the address should remain valid over a period
of many years.

      The Namespace Specific String (NSS) of all URNs that use the "uic"
      NID has the following structure:

      urn:uic:{UICResource}:{ResourceSpecificString}

      where the "UICResource" is a US-ASCII string that conforms to the
      URN syntax requirements [RFC2141] and defines a specific class of
      resource type.  Each resource type has a specific labeling scheme
      that is covered by "ResourceSpecificString", which also conforms
      to the naming requirements of [RFC2141].

RFC 2141 has been replaced by RFC 8141, so these references should be
updated.  (I don't think that significantly affects your
specification.)

I think you want to clarify here that "UICResource" specifies the
"resource type", and make clearer the requirements on
ResourceSpecificString.  Perhaps:

      where the "UICResource" is a US-ASCII string that specifies the
      resource class and "ResourceSpecificString" specifies the
      individual resource, such that the entire string conforms to the
      URN syntax requirements [RFC8141].  Each resource type has a
      specific labeling scheme for "ResourceSpecificString".

Dale