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Subject: Re: [xri-editors] further thinking on mustUnderstand


well... they MAY be, or they may be XRI bound (that is, they are specific 
tokens for a resolver to use to resolve a specific authority-part subsegment 
with a specific authority).

--- peterd

On Friday 04 February 2005 02:43 pm, Dave McAlpin wrote:
> I don't think so. Tokens, in your example, apply to authorities. They'd
> be placed in XRIDescriptors/XRIDescriptor/Authority/Token.
> MustUnderstand would be relative to the Authority, not the XRID.
>
> -----Original Message-----
> From: Peter C Davis [mailto:peter.davis@neustar.biz]
> Sent: Friday, February 04, 2005 9:40 PM
> To: Dave McAlpin
> Cc: xri-editors@lists.oasis-open.org
> Subject: Re: [xri-editors] further thinking on mustUnderstand
>
> On Friday 04 February 2005 02:19 pm, Dave McAlpin wrote:
> > Both of these cases seem to argue for MustUnderstand semantics on an
> > Authority element, not on the XRID which can describe multiple
> > authorities. In the second case especially, a client shouldn't be
> > precluded from processing Service elements just because he doesn't
> > understand how to pass proper credentials to some resolution
>
> authority.
>
> > Is that correct?
>
> i suppose that depends on where the token extension points are placed...
> token
> placement is likely to be XRIDescriptors/XRIDescriptor/Token, since
> these are
> (potentially) unique for each authority, and required for processing
> 'next-level' resolution.... in this use case.
>
> SO the processing would require (a) resolver to process the XRID,
> extract the
> Token, and add that to the HTTP header for the next resolution step.
> that
> seems to require modifications to the XRID.
>
> --- peterd


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