- From: Dan Connolly <connolly@w3.org>
- Date: Tue, 25 Jan 2005 09:10:37 -0600
- To: "Weibel,Stu" <weibel@oclc.org>
- Cc: uri@w3.org
On Tue, 2005-01-25 at 08:55 -0500, Weibel,Stu wrote: > My proposal for three active categories of URI Schemes is based on (1) > the insistence by others that duplicate names have a home in the > registry, and (2) what I believe to be an uncontestable Good Thing - > that no future duplicate scheme names be permitted. > > Previous arguments on this list assert the need to reflect the reality > of past *and* future wild-type URI schemes (roughly: people will do what > they want to do, and we have no means to prevent them from doing so, and > the registry is more useful if it acknowledges the existence of such). > > To permit the possibility of duplication of future URI scheme tokens > based on a small number of existing inadvertant duplications is ill > advised in the extreme. It needlessly exposes future innovations to the > vulnerability of inadvertant or malicious duplication. > > The proposal aside, can we be clear about these two requirements? My > proposal meets them both. So does draft-hansen-etc, no? > Charles's suggestion below meets them also, in a simpler way (always a > feature), with the one caveat that there will be no accomodation for > duplicate wild-type registrations in the future (except perhaps as x- > entries). > > To summarize: > > Keep the high entry bar for the Permanent category > > Allow a lower entry bar for the Provisional category, and either > a.) require unique tokens for ALL new entries, or > b.) provide for a third category without protection from > duplication (vernacular... x-... whatever). I still don't see why the 3rd category. draft-hansen-etc requires unique tokens on all permanent entries, and prohibits new provisional entries from clashing with existing permanent entries. Hmm... I can't actually confirm that prohibition from the text. Perhaps it's worth clarifying in a future draft. http://ietfreport.isoc.org/idref/draft-hansen-2717bis-2718bis-uri-guidelines/ > > stu > ----- > > Charles Lindsey wrote, in part: > > Surely the essence of the proposal should be to prevent duplication of > scheme-names in the future, even though we know that a few of them have > slipped through in the past (it would be helpful for someone to provide > examples of these). > > So if there was a requirement for uniqueness in the Registry, then there > could be exceptional provision for the existing duplicates of the form > "This scheme-name is currently used for schemes A and B (provide > pointers to details of both). It will not be possible for this > scheme-name to proceed to permanent registration until this anomaly has > been resolved". > > And you would not allow registration of new duplicates in the future. > > -- Dan Connolly, W3C http://www.w3.org/People/Connolly/ D3C2 887B 0F92 6005 C541 0875 0F91 96DE 6E52 C29E
Received on Tuesday, 25 January 2005 15:10:38 UTC