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#296: 203 Non-Authoritative Information: deprecate?

From: Mark Nottingham <mnot@mnot.net>
Date: Tue, 31 May 2011 18:08:49 +1000
Cc: httpbis Group <ietf-http-wg@w3.org>, Roy Fielding <fielding@gbiv.com>
Message-Id: <2783C477-EA93-40B0-B71A-12FF07834840@mnot.net>
To: Julian Reschke <julian.reschke@gmx.de>
Agreed on both counts. Now #296:
  http://trac.tools.ietf.org/wg/httpbis/trac/ticket/296


On 31/05/2011, at 5:16 PM, Julian Reschke wrote:

> On 2011-05-31 06:42, Mark Nottingham wrote:
>> Revised proposal:
>> 
>> """
>> 8.2.4.  203 Non-Authoritative Information
>> 
>> The representation in the response has been transformed or otherwise modified by a non-transparent proxy [ref to p1].  Note that the behaviour of non-transparent intermediaries is controlled by the no-transform Cache-Control dirctive [ref to p6].
> 
> Part 1 uses the terms transforming-/non-transforming proxy (<http://greenbytes.de/tech/webdav/draft-ietf-httpbis-p1-messaging-14.html#intermediaries>).
> 
> Maybe also say "transforming intermediaries" instead no "transparent intermediaries"?
> 
>> This status code is only appropriate when the response status code would have been 200 (OK). When the status code before transformation would have been
>> different, the 214 Transformation Applied warn-code [ref] is appropriate.
>> 
>> Caches MAY use a heuristic (see Section 2.3.1.1 of [Part6]) to determine freshness for 203 responses.
>> """
> 
> I feel this is actually a *change* compared to 2616 (the spec, not the actual practice); thus we may have to list it in the Changes appendix.
> 
> Best regards, Julian

--
Mark Nottingham   http://www.mnot.net/
Received on Tuesday, 31 May 2011 08:09:16 GMT

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