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Re: 3 short questions, Entity Tag & Content Location

From: Julian Reschke <julian.reschke@gmx.de>
Date: Sun, 14 Mar 2010 18:16:47 +0100
Message-ID: <4B9D19FF.8000101@gmx.de>
To: nathan@webr3.org
CC: ietf-http-wg@w3.org
On 14.03.2010 18:10, Nathan wrote:
> Julian Reschke wrote:
>> On 12.03.2010 09:57, Nathan wrote:
>>> Hi All,
>>>
>>> Q1, Can Content-Location be used in the response to a GET or HEAD with
>>> any of the 2XX status codes?
>>
>> I would think so; did you find anything in the spec saying something to
>> the contrary?
>
> no hence why I was asking, because it appeared to conflict with the 3xx
> range and conneg; indicating that I could essentially do conneg with a
> 200 OK + Content Location.

Of course, that's the standard use case.

>>> Q2, If I have the same data serialized in two different ways (as in an
>>> RDF graph serialized as N3 and as RDF+XML), and those serializations are
>>> accessible via a single resource (via a 302 Found + Content-Location);
>>> could they share a weak entity tag?
>>
>> Entity tags are unique only per URI; so they could, but they don't have to.
>
> What about cache's giving back the wrong media-type, would a change in
> media-type be a semantic change of such magnitude that a weak entity tag
> couldn't be used (or would be misleading)?

I'll let others disagree about that :-)

> ...

Best regards, Julian
Received on Sunday, 14 March 2010 17:17:33 GMT

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