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Subject: RE: [xri] Proposal for a Telecon to close the Normal Forms issue


At yesterday’s call, we discussed my concern that the application has no way of determining which normal form an XRI reference was intended to be. That is, even though “@foo%25bar” is legal in all three (XRI, IRI and URI) normal forms, we cannot tell the “real” XRI-normal form is because it could either be “@foo%25bar” or “@foo%BAr” (that underwent XRI-IRI NF transformation).

 

The problem does not exist between IRI and URI normal forms because IRI-to-URI normal form transformation is idempotent. The XRI-to-IRI process, however, is not idempotent but it needed to be so to overcome the lack of cross references in IRI/URI (I’m sort of guessing here – someone can clarify).

 

The conclusion from the call was that, in general, the XRI parser should leave it up to its caller to specify the normal form of the input string. The calling application is expected to know the normal form of its input. For example, if the input came from a HXRI or XRDS document, they should be in URI normal form. On the other hand, if the source was user input or some other Unicode-capable XRI library/application, it should be treated as XRI normal form. I personally think that in practice, there should be little need for IRI normal form but Drummond mentioned something about XDI making use of it. Drummond, could you briefly explain?

 

=wil (http://xri.net/=wil)

 

 


From: Drummond Reed [mailto:drummond.reed@cordance.net]
Sent: Tuesday, June 06, 2006 6:47 AM
To: Tan, William; 'Sakimura, Nat'; 'Wachob, Gabe'; xri@lists.oasis-open.org
Subject: RE: [xri] Proposal for a Telecon to close the Normal Forms issue

 

Thanks Les. I will be there, 4pm PT today.

 

Anyone else who can join in on this issue, it will be helpful; it’s pretty important from an adoption standpoint.

 

=Drummond

 


From: Tan, William [mailto:William.Tan@neustar.biz]
Sent: Monday, June 05, 2006 10:32 AM
To: Sakimura, Nat; Wachob, Gabe; Drummond Reed; xri@lists.oasis-open.org
Subject: RE: [xri] Proposal for a Telecon to close the Normal Forms issue

 

Hi guys,

 

Les has kindly agreed to open the bridge for us. Please use the usual conference number:

    Dial In Number: 571-434-5750

Conference ID: 5474

Time: 4pm PT today

 

Thanks.

 

=wil (http://xri.net/=wil)

 

 


From: Sakimura, Nat [mailto:n-sakimura@nri.co.jp]
Sent: Saturday, June 03, 2006 8:44 AM
To: Wachob, Gabe; Tan, William; Drummond Reed; xri@lists.oasis-open.org
Subject: RE: [xri] Proposal for a Telecon to close the Normal Forms issue

 

I do prefer Monday as well, as I have a colliding call on your Friday.

 

Nat

 


From: Wachob, Gabe [mailto:gwachob@visa.com]
Sent: Saturday, June 03, 2006 5:40 AM
To: Tan, William; Drummond Reed; xri@lists.oasis-open.org
Subject: RE: [xri] Proposal for a Telecon to close the Normal Forms issue

I could do either.

 

Honestly, I'd prefer 4 on Monday to 4 on Friday ;-)

 

Though I have to keep it to about an hour in either case.

 

    -Gabe

 


From: Tan, William [mailto:William.Tan@neustar.biz]
Sent: Friday, June 02, 2006 11:45 AM
To: Drummond Reed; xri@lists.oasis-open.org
Subject: RE: [xri] Proposal for a Telecon to close the Normal Forms issue

Since no one else has signed up yet, may I propose Monday 4pm PT?

 

=wil (http://xri.net/=wil)

 

 


From: Drummond Reed [mailto:drummond.reed@cordance.net]
Sent: Friday, June 02, 2006 3:20 PM
To: Tan, William; xri@lists.oasis-open.org
Subject: RE: [xri] Proposal for a Telecon to close the Normal Forms issue

 

Wil,

 

I could do 4pm PT tomorrow (Friday). Can anyone else join then?

 

Best,

 

=Drummond

 


From: Tan, William [mailto:William.Tan@neustar.biz]
Sent: Thursday, June 01, 2006 7:13 PM
To: xri@lists.oasis-open.org
Subject: [xri] Proposal for a Telecon to close the Normal Forms issue

 

Due to time constraint we were not able to address the issue that I raised about the XRI/IRI/URI NF issues.

I propose a separate conference call for those who are interested. Attached is the email on the current thread.

 

Currently, the only agenda item is:

 

Does the parser have any issue distinguishing XRI vs. IRI normal form? If so, how do we address the issue of ambiguity? Gabe explained that it has been discussed on the TC before and a conclusion was reached on the matter.

 

Because I’m in the outback time zone it is difficult to accommodate both US east coast and west coast time; the 4pm PT slot seems to work for everyone so I’d propose that. If possible, we can do one tomorrow (Friday 4pm PT). Otherwise, any day next week is fine by me too. Another possible time would be 8 – 9am PT.

 

Thanks.

 

=wil (http://xri.net/=wil)

 

 

 



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