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Re: Meaning of header fields Date: and Age:

From: Koen Holtman <k.holtman@chello.nl>
Date: Tue, 6 Jul 2004 17:24:57 -0400 (EDT)
To: Alex Rousskov <rousskov@measurement-factory.com>
Cc: Greg Robson-Garth <gregrg@optusnet.com.au>, <ietf-http-wg@w3.org>
Message-ID: <Pine.LNX.4.44.0407062304230.880-100000@f10112.upc-f.chello.nl>

Hi Alex,

On Tue, 6 Jul 2004, Alex Rousskov wrote:

> The age calculation algorithm in RFC 2616 is indeed buggy, but in a
> different, more subtle, way:
> http://lists.w3.org/Archives/Public/ietf-http-wg/2002JulSep/0048.html
> IIRC, nobody commented on that age calculation bug and its proposed
> fix. It is not mentioned in the RFC 2616 errata. I suspect it will
> remain with us forever.

I recall that this bug (and ways to fix it) did get discussed back in the
late 1990s when the spec was being written.  Opinions ranged from `it is a
bug' to `this is a safe way for the calculation to err on the side of
caution'.  I recall that the original author of the calculation (Jeff
Mogul) did intend it this way.  Consensus back then was that the
bug/feature should be kept in.

> Alex.

Received on Tuesday, 6 July 2004 17:28:37 UTC

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