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Re: i37: Vary and non-existant headers

From: Mark Nottingham <mnot@mnot.net>
Date: Wed, 6 May 2009 15:59:19 +1000
Message-Id: <44A97855-A462-4663-B686-14347C2D49C3@mnot.net>
To: HTTP Working Group <ietf-http-wg@w3.org>
Looking back at this discussion, I think we have agreement to drop  
'present' (as per Roy), and add the "When a resource's  
representations..." sentence.

I don't see consensus to add language about canonicalising request  
headers (beyond the process described in p6 2.6).



On 29/07/2008, at 1:18 AM, Mark Nottingham wrote:

>
> http://tools.ietf.org/wg/httpbis/trac/ticket/37
>
> Roy sort-of proposed deleting "present" in <http://lists.w3.org/Archives/Public/ietf-http-wg/2006OctDec/0090.html 
> >
>
> In addition, I'd propose:
>
> * adding: "When a resource's representations vary, an origin server  
> SHOULD include the Vary header even when the selecting header(s) are  
> not present; otherwise, caches will use that representation  
> inappropriately."
>
> * adding: "Caches MAY canonicalise request headers before comparing  
> them for purposes of determining whether they match during variant  
> selection."
>
>
> --
> Mark Nottingham     http://www.mnot.net/
>
>


--
Mark Nottingham     http://www.mnot.net/
Received on Wednesday, 6 May 2009 06:00:03 GMT

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