Re: [ESDS] Proposed Charter

Dear Olivier,

Many thanks for this information.

When you mention IRI notation, I assume that you mean  
Internationalized Resource Identifiers as specified in RFC3987?	http://www.ietf.org/rfc/rfc3987.txt

This is certainly helpful, since it means that also users of other  
data carrier technologies (e.g. DataMatrix) and ISO users of RFID tags  
have a well-defined way to express their identifiers as a structured  
URI or IRI, rather than as a completely opaque binary string.

Best regards,

- Mark

On 29 Sep 2008, at 17:22, Olivier DUBUISSON wrote:

> Dear all,
>
> Mark Harrison wrote:
> [...]
>> As you point out, it is essential that a protocol for Discovery  
>> Services should be agnostic about the identification technology and  
>> should be able to support multiple families of identifiers.   
>> Regarding the latter point, it is important to avoid collisions  
>> between syntactically identical identifiers from different  
>> identifier families.  To qualify the context or namespace of each  
>> identifier, we can construct a URI, in which each namespace has a  
>> distinct URI prefix.  There have already been a few helpful  
>> postings on this ESDS list about that topic.
>
> Recommendation ITU-T X.668 | ISO/IEC 9834-9 is a solution to the  
> issue of qualifying the namespace of each identifier.
>
> See http://www.itu.int/ITU-T/newslog/New+Standard+Unifies+ID+Schemes+For+Tagbased+Applications.aspx
> for some info.
>
> ITU-T X.668 is an approved standard but it is not (freely) available  
> yet. I am sure there will be a way to provide this group with a copy  
> once the ESDS working group is officially launched.
>
> Since an IRI notation for OIDs is being standardized, you have the  
> URI that Mark's was pointing out in his email.
> -- 
> Olivier DUBUISSON
> France Telecom
> Pilotage de la normalisation/Standards Steering
> NSM/RD/DDEV - BP 50702 - 22307 Lannion Cedex - France
> tel: +33 2 96 05 38 50 - fax: +33 1 58 15 52 05

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Re: [ESDS] Proposed Charter - 2nd update