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Re: Are we ready for the namespace ID registry, yet? (was: Re

• To: Jeff Lowery <Jeff.Lowery@c...>
• Subject: Re: Are we ready for the namespace ID registry, yet? (was: RelaxNG question)
• From: "Chiusano Joseph" <chiusano_joseph@b...>
• Date: Thu, 21 Aug 2003 13:34:16 -0400
• Cc: "'Xml-Dev'" <xml-dev@l...>
• Organization: Booz Allen Hamilton
• References: <4827EC373E03DB44AC2AB3900430896B672362@c...>

<Quote1>
The registry doesn't; the local authorities do (or should do). 
</Quote1>

Whew - that's what I was hoping the answer was.

<Quote2>
I realize this would have HUGE impact on legacy XML,
</Quote2>

Impact on what?

Kind Regards,
Joe Chiusano
Booz | Allen | Hamilton

Jeff Lowery wrote:
> 
> > <Quote>
> > 1)elements and attributes have unambiguous names;
> > </Quote>
> >
> > How do you foresee a registy ensuring this?
> 
> The registry doesn't; the local authorities do (or should do). All the
> registry does is say "Okay, this sequence of characters you asked for can be
> prepended as part of any namespace ID you create and manage." It also says,
> "Hey, out there! Only this guy can use this sequence of characters at the
> start of his namespace identifiers."
> 
> Whatever comes after the authority ID begin sequence in the namespace ID
> this person or entity creates (<AUTH_xxx:foo/>) is up to them to determine
> and ensure the unambiguousness of. If they want to build a local registry
> for that purpose they can, but they don't have to. It's not an absolute
> requirement for XML document processing to look up anything in a registry.
> For document creation, all you need to know is your personal namespace
> authority ID start sequence, plus character sequence after that that's being
> used in the local domain. It's a lot like URL, except the string IDs are
> deliberately short in order to minimize the affect on XML verbosity and
> readability, since these prefixes MUST appear in all qualified names (i.e.,
> there are not xmlns:xxx="..." declarations.
> 
> I realize this would have HUGE impact on legacy XML, mostly of the
> simplifying kind, but huge nonetheless.  Chance of adoption: +-0%. But you
> know, you gotta put up or shut up. This is what I'm puttin' up.
> 
> >
> > Kind Regards,
> > Joe Chiusano
> > Booz | Allen | Hamilton
> >
> > Jeff Lowery wrote:
> > >
> > > > The question is, is it possible to design a means for the
> > > > computer registries to coordinate registration without the
> > > > need for a master list if every registry, where a registry
> > > > would at it's own top level represents the local authority,
> > > > either sends copies of its registry to other registrars or
> > > > gets registrations?  Does a namespace registration system
> > > > require a single rooted authority?
> > >
> > > Two concerns:
> > >
> > > 1) authority ID collisions
> > > 2) ID disputes
> > >
> > > For example, if I send out that I've registered "MSFT" as my namespace
> > ID
> > > authority prefix (e.g.  <MSFT_ns1:blah MSFT_ns2:foo="bar"/> ), then I'm
> > > likely to collide with Microsoft's preferred very short string authority
> > ID,
> > > since I imagine they'd want to use their stock index symbol. Assuming
> > that
> > > I'm correct, and a dispute arises, who resolves it? That's why I think
> > you
> > > need a central authority, or at least an arbitration board, which is
> > more or
> > > less the same thing.
> > >
> > > Now, if you're asking me if the authority registry needs to be
> > centralized,
> > > I guess it wouldn't. However, there's really no need to 'look-up'
> > > authorities in normal metalanguage processing.  All we're trying to do
> > is
> > > make sure that:
> > >  1)elements and attributes have unambiguous names;
> > >  2) companies and individuals have the means (through the proper use of
> > > their authority ID string) to easily create such names.
> > >
> > > Good questions, Len. I'm forwarding this to the permathread. I hope you
> > > won't mind.
> > >
> > > -----------------------------------------------------------------
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> > >
> > > The list archives are at http://lists.xml.org/archives/xml-dev/
> > >
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• References:
  • RE: Are we ready for the namespace ID registry, yet? (w as: RelaxNG question)
    • From: Jeff Lowery <Jeff.Lowery@c...>

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