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Re: HTTP 1.1 issue 21: 13.3.3 Weak and Strong Validators

From: Jim Gettys <jg@pa.dec.com>
Date: Wed, 11 Nov 1998 09:59:54 -0800
Message-Id: <9811111759.AA08795@pachyderm.pa.dec.com>
To: Ross Patterson <ROSSP@ss1.reston.vmd.sterling.com>
Cc: mogul@pa.dec.com, http-wg@hplb.hpl.hp.com
X-Mailing-List: <http-wg@cuckoo.hpl.hp.com> archive/latest/206

> In section 13.3.3 "Weak and Strong Validators", the statements
>    "The weak comparison function MAY be used for simple
>    (non-subrange) GET requests. The strong comparison function MUST
>    be used in all other cases."
> and
>    "A cache or origin server receiving a conditional request, other
>    than a full-body GET request, MUST use the strong comparison
>    function to evaluate the condition."
> state the same requirement.

It isn't quite the same thing.  One states requirements on the
client, and the other on origin servers or proxies.  It is a bit
confusing, and may be redundant.

Jeff, what is the right thing to do here?
			- Jim
Received on Wednesday, 11 November 1998 10:04:25 UTC

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