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Re: i22: ETags on PUT responses

From: Werner Baumann <werner.baumann@onlinehome.de>
Date: Fri, 04 Jan 2008 22:14:11 +0100
Message-ID: <477EA1A3.1040504@onlinehome.de>
To: Julian Reschke <julian.reschke@gmx.de>
CC: Mark Nottingham <mnot@mnot.net>, HTTP Working Group <ietf-http-wg@w3.org>

Julian Reschke wrote:
> 
> In particular:
> 
> - E does not apply to Rq
> 
> - the presence of E in Rs does not necessarily imply that the body sent 
> with PUT was stored octet-by-octet
> 
> - E does not depend on the request method, just on URI & selecting headers
> 
I wonder what the intended use of this Etag, sent in response to a 
PUT-request, would be. As the entity, sent in a subsequent GET is not 
guaranteed to be equal to the body of the PUT-request, not a single 
client knows the entity. But clients get an entity-tag - for an unknown 
entity. What are they supposed to use it for?

Werner
Received on Friday, 4 January 2008 21:14:32 GMT

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