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

From: Mark Nottingham <mnot@mnot.net>
Date: Fri, 27 May 2011 13:49:09 +1000
Message-Id: <7C96B3EE-53A3-4FAE-B05D-248ACB1A0346@mnot.net>
To: "ietf-http-wg@w3.org Group" <ietf-http-wg@w3.org>

I haven't heard any objections to the proposal below; incorporating in <http://trac.tools.ietf.org/wg/httpbis/trac/changeset/1289>.



On 27/04/2011, at 6:29 PM, Mark Nottingham wrote:

> 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/
> 
> 
> 
> 

--
Mark Nottingham   http://www.mnot.net/
Received on Friday, 27 May 2011 03:49:35 GMT

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