Re: If not JSON, what then ?

Mark Nottingham <mnot@mnot.net> Tue, 02 August 2016 13:04 UTC

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From: Mark Nottingham <mnot@mnot.net>
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Date: Tue, 02 Aug 2016 14:58:55 +0200
Cc: Poul-Henning Kamp <phk@phk.freebsd.dk>, HTTP Working Group <ietf-http-wg@w3.org>
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References: <77778.1470037414@critter.freebsd.dk> <12ED69B4-C924-475E-9432-B8FEB4B9DF80@mnot.net> <20160802115355.GD32124@1wt.eu> <ECE83331-ACDD-42E7-B99C-3E4E4C66DD13@mnot.net> <20160802125541.GF32124@1wt.eu>
To: Willy Tarreau <w@1wt.eu>
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Subject: Re: If not JSON, what then ?
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Unfortunately, implementation of the Connection header was really, really bad. :-/


> On 2 Aug 2016, at 2:55 PM, Willy Tarreau <w@1wt.eu> wrote:
> 
> On Tue, Aug 02, 2016 at 02:41:19PM +0200, Mark Nottingham wrote:
>> Not stupid at all, but I am concerned about adding too much "magic"; if
>> implementations are doing too much on your behalf, issues will arise (see
>> above).
> 
> You probably know that I hate magic as well, that's why I prefer to rely
> on what we have. For example, passing "connection:" with the new headers
> to optimize their eviction along non-compatible paths is doable. It's not
> 100% safe but doable. Ensuring that compatible actors replace the old
> version is doable as well because it would be a "MUST" in the spec and we
> know these actors don't exist yet. So all in all we can possibly do useful
> things. I just don't want to have a tens of headers being advertised in
> Connection nor having to add many extra headers for the sake of saving
> space and parsing time, because we know that it will add extra work that
> may sometimes offset the savings. Hence the idea to compact what can be
> compacted if we went down that route.
> 
> Cheers,
> Willy

--
Mark Nottingham   https://www.mnot.net/