Re: [urn] Comments on draft-ietf-urnbis-rfc3187bis-isbn-urn-01

[SM <[e-mail]>]

Hi Larry,
At 18:32 19-10-2011, Larry Masinter wrote:
> > That's a requirement from ISO 2108.
>
>I think this is a specification for URNs, and the conformance 
>requirements should apply to the URNs.  What you're saying here is a 
>statement about some OTHER standard, which I

That is the point I was trying to make.

>  might write as:
>
>"ISO 2108 requires that each product form (hardback, paperback, PDF) 
>have its own ISBN."

Yes.  I suggest writing the specification from an IETF implementation 
perspective and not an ISO perspective.

>This is just a statement of a fact about another standard, and URNs 
>need to function even in situations that don't exactly follow that 
>requirement, for example, as mentioned, cases where people have 
>digitized a hardcopy book from their own collection, but not 
>assigned a different ISBN.

Yes.

>I think you should avoid using normative language for anything other 
>than what a conforming URN and URN processing agent MUST/SHOULD/MAY 
>do in order to reach interoperability between communication agents 
>using URNs in their communication.

Yes.

Regards,
-sm