Re: New Version Notification for draft-nottingham-bikeshed-length-00.txt

Martin Thomson <mt@lowentropy.net> Fri, 20 March 2020 00:47 UTC

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Date: Fri, 20 Mar 2020 11:42:07 +1100
From: Martin Thomson <mt@lowentropy.net>
To: ietf-http-wg@w3.org
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Subject: Re: New Version Notification for draft-nottingham-bikeshed-length-00.txt
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On Fri, Mar 20, 2020, at 11:22, Mark Nottingham wrote:
> > On 20 Mar 2020, at 11:02 am, Poul-Henning Kamp <phk@phk.freebsd.dk> wrote:
> > In message <ebea7134-3da6-44be-b445-7f79d1717f2b@www.fastmail.com>, "Martin Tho
> > mson" writes:
> >> Sure, the numbers will be smaller, but why have the rounding at all?
> > 
> > To make sure it is not precise enough for framing use.
> This

And so when someone rounds up and expects that to be ample space, what then?  I'm not sure that I agree that this is a valid threat model.

Seems like over-rotating to me.  If implementations routinely encounter values that don't match the actual length, then they will learn not to depend on the two being the same.