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Re: [Bug 3] Bindings draft should specify if all properties MUST have same value on all bindings

From: Julian Reschke <julian.reschke@gmx.de>
Date: Mon, 06 Dec 2004 21:09:39 +0100
Message-ID: <41B4BC83.80709@gmx.de>
To: ejw@cs.ucsc.edu
CC: 'Webdav WG' <w3c-dist-auth@w3c.org>

Jim Whitehead wrote:
> I think it would be good to include the following language in the bind
> specification:
> Note that, consistent with [RFC2518], the value of a dead property is
> independent of the number of bindings to its host resource, and of the path
> submitted to PROPFIND. Since live properties can be aribtrary computational
> processes, they MAY vary depending on path or number of bindings, but SHOULD
> NOT do this unless the definition of the live property explicitly includes
> this dependency.
> Here I avoided adding new requirements in areas already covered by 2518, but
> did add requirements for the new situation raised by the BIND specification.

I like that part that says that this is not a new requirement, but just 
a repeat of what RFC2518 already says.

On the other hand, I'm less convinced that the second part is a good 
idea. Having property values varying across bindings is IMHO an 
extremely bad idea, and so far I haven't seen a good use case for them. 
Saying that specs MAY define these kinds of properties sort of 
encourages them.

Anyway (and as mentioned in the reply to Lisa), this issue has nothing 
to do with BIND spec per se. Saying something in the BIND spec only 
makes sense if there is consensus to add equivalent language into 
RFC2518bis (and if this happens it's unclear why we need to add it to 
BIND in the first place).

Feedback appreciated.

Best regards, Julian

<green/>bytes GmbH -- http://www.greenbytes.de -- tel:+492512807760
Received on Monday, 6 December 2004 20:10:16 UTC

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