# Re: URNs in the DNS

Martin Hamilton (M.T.Hamilton@lut.ac.uk)
Fri, 16 Jul 1993 13:18:35 +0100 (BST)

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    Date: Fri, 16 Jul 1993 13:18:35 +0100 (BST)

    From: Martin Hamilton <M.T.Hamilton@lut.ac.uk>

    Subject: Re: URNs in the DNS

    To: ccoprmm@oit.gatech.edu

    In-Reply-To: <199307151820.AA02669@oit.gatech.edu>

    Message-Id: <Pine.3.07.9307161059.C5963-b100000@lust>

Michael Mealling wrote:

> 2. Given a URL I can find out metainformation about that object.

Good one!

> > 1. Store metadata & URN->URL mappings together
> > - new technology, e.g. Registrar (+ DNS to find servers?)
>
> I would definitly add whois++ in here since it is written to do
> this exact thing.

Sure - it wasn't meant to be an exhaustive list :-)

> > 3. Just record URN->URL mappings, no metadata
> > - new technology, a URN->URL resolver (unproposed)
> > - existing technology, e.g. DNS, X.500
>
> With whois++ it's just as easy to add the metadata to a URN/URL
> pair as it is anything else. I think we could do this fairly easily.

Uh huh - and since the URI field is already in the IAFA templates,
it would seem sensible to have a separate template to deal with at
least the URN to URL mapping. I can't recall having seen anything
along these lines, but perhaps I've not been looking in the right
places ?

Perhaps we can get away with something as simple as this...

URN-TO-URL-MAPPING:
URN: // as per current internet draft
Multiple occurrences of the following block of fields
URL: // physical address of object
end of multiple occurrences
END URN-TO-URL-MAPPING

> Good snapshot. I do like your idea of a "bakeoff" but I would hope we don't
> all end up killing each other like in other working groups. ;-)

Nah, that's a shootout!

Martin

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