URN Madness (was re: Overloaded URIs must GO!)

Didier PH Martin martind at netfolder.com
Sat May 29 17:04:08 BST 1999

Hi Dan,

Dan said:
Would qualifying the DNS name with a date sort this?


If I owned spam.org for a week, I could through my life issue hname URIs
in this form where there date element fell within the period of my

Didier says:
First you don't need to include a DNS domain name in the urn. In fact by
doing so you introduce a location dependant context. URNS should be location
independent. So, your urn should be:


Algorithm to resolve the name into a location:
a) the client connects to a DNS server (this is, in that case the name space
respository - let's say its W3C)
b) the client requests for a particular DNS record which contains a set of
URL attached to a URN.
c) The DNS server send to the client a URL collection attached to the URN
d) the client uses the URL to fetch the document _located_ at the URL.

Didier PH Martin
mailto:martind at netfolder.com

xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev at ic.ac.uk
Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ and on CD-ROM/ISBN 981-02-3594-1
To (un)subscribe, mailto:majordomo at ic.ac.uk the following message;
(un)subscribe xml-dev
To subscribe to the digests, mailto:majordomo at ic.ac.uk the following message;
subscribe xml-dev-digest
List coordinator, Henry Rzepa (mailto:rzepa at ic.ac.uk)

More information about the Xml-dev mailing list