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Subject: RE: [security-services] A Modest Proposal about Attribute Names
At 08:48 AM 2/12/02 -0800, Hallam-Baker, Phillip wrote: >Pleeeeeeaaassseee! > >We are going arround in circles here. The single URI attribute would bring >us almost full circle back to the original proposal in XTASS. > >The argument over whether we have one attribute URI or the current structure >has been discussed at length at a face to face. > > >At present the spec only allows one name per namespace. Where does it say that? I just checked core-26, and I don't see any such restriction. If it did, and if this were something the group had agreed on, then I would agree that there's no point to having both the name and the namespace, since the rule would force a different "namespace" for each name. (The word "namespace" would then be inappropriate as well as confusing; AttributeNameIdentifier would be better.) >Separating the two >ideas would have more relevance if an attribute statement could have >multiple attributes with different names in the same namespace that is >declared only once. > >Ie. > >namespace = http:/fred.org/fredness > name = Alpha > name = Beta > >As it is the two can be combined quite easily: > >http:/fred.org/fredness#Alpha > >This would indicate some modest schema changes and eliminate one of the >empty elements that Eve hateth so much yea even unto the fifth generation, >etc. They can be combined, but if you require them to be combined, it's not a namespace but a unique attribute name identifier. >The most obvious way to represent X.500 attributes would be to use the OID >URN: > >namespace=OID:12.3.42.3.42.1.1.1 > >There is no need for a name in this instance. > >I will do some research to find out the current status of the OID URI, if >the toplevel scheme did not go through the URN scheme must have. Eve -- Eve Maler +1 781 442 3190 Sun Microsystems XML Technology Center eve.maler @ sun.com
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