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RE: [httpRange-14] Resolved

From: Williams, Stuart (HP Labs, Bristol) <skw@hp.com>
Date: Mon, 20 Jun 2005 09:43:59 +0100
Message-ID: <8D5B24B83C6A2E4B9E7EE5FA82627DC9C19EF9@sdcexcea01.emea.cpqcorp.net>
To: "Roy T. Fielding" <fielding@gbiv.com>
Cc: "W3C TAG" <www-tag@w3.org>

Roy, TAG,

Many congratulations on putting this one to bed. I think the resolution
is a good one. HTTP URIs remain opaque. Positive discrimination between
information resource and any (kind-of) resource does not arise from
direct inspection of the URI.



> -----Original Message-----
> From: www-tag-request@w3.org [mailto:www-tag-request@w3.org] 
> On Behalf Of Roy T. Fielding
> Sent: 19 June 2005 05:26
> To: W3C TAG
> Subject: [httpRange-14] Resolved
> As everyone here knows, the TAG has spent a great deal of 
> time discussing the httpRange-14 issue, as described at
>     http://www.w3.org/2001/tag/issues.html#httpRange-14
> I am happy to report that we came up with a reasonable 
> compromise solution at the recent TAG f2f meeting at MIT.
> <TAG type="RESOLVED">
> That we provide advice to the community that they may mint 
> "http" URIs for any resource provided that they follow this 
> simple rule for the sake of removing ambiguity:
>    a) If an "http" resource responds to a GET request with a
>       2xx response, then the resource identified by that URI
>       is an information resource;
>    b) If an "http" resource responds to a GET request with a
>       303 (See Other) response, then the resource identified
>       by that URI could be any resource;
>    c) If an "http" resource responds to a GET request with a
>       4xx (error) response, then the nature of the resource
>       is unknown.
> </TAG>
> I believe that this solution enables people to name arbitrary 
> resources using the "http" namespace without any dependence 
> on fragment vs non-fragment URIs, while at the same time 
> providing a mechanism whereby information can be supplied via 
> the 303 redirect without leading to ambiguous interpretation 
> of such information as being a representation of the resource 
> (rather, the redirection points to a different resource in 
> the same way as an external link from one resource to the other).
> Cheers,
> Roy T. Fielding                            <http://roy.gbiv.com/>
> Chief Scientist, Day Software              <http://www.day.com/>
Received on Monday, 20 June 2005 08:44:22 UTC

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