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[#38] httpbis-p6-cache-14, and vary headers

From: Mark Nottingham <mnot@mnot.net>
Date: Wed, 27 Apr 2011 18:29:12 +1000
Cc: "ietf-http-wg@w3.org Group" <ietf-http-wg@w3.org>, Henrik Nordström <henrik@henriknordstrom.net>
Message-Id: <9962EDCC-C3BE-4AFB-B7FA-2C87F6490C62@mnot.net>
To: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
Reopening #38 to track.

<http://trac.tools.ietf.org/wg/httpbis/trac/ticket/38>


On 27/04/2011, at 6:19 PM, Poul-Henning Kamp wrote:

> In message <12278CD3-2800-4C1A-992C-75F814EF7146@mnot.net>, Mark Nottingham wri
> tes:
> 
>> Vary isn't ordering-dependent, so Obj3 and Obj4 are equivalent, and the 
>> latest one should be used as per this requirement in p6 2.2:
>> 
>>  A cache MUST use the most recent response (as determined by the Date
>>  header field) when more than one suitable response is stored. 
> 
> Ok, I hadn't connected that requirement to the Vary case, but
> it obviously settles the issue.
> 
>> What about something like
>> 
>> """
>> If multiple selected responses are available, the most recent response 
>> (as determined by the Date header field) is used (see [section 2.2]).
>> """
> 
> Works for me.
> 
> -- 
> Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
> phk@FreeBSD.ORG         | TCP/IP since RFC 956
> FreeBSD committer       | BSD since 4.3-tahoe    
> Never attribute to malice what can adequately be explained by incompetence.

--
Mark Nottingham   http://www.mnot.net/
Received on Wednesday, 27 April 2011 08:29:42 GMT

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