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Re: [hybi] Frame size

Ian Hickson <ian@hixie.ch> Mon, 19 April 2010 00:09 UTC

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Date: Mon, 19 Apr 2010 00:08:53 +0000
From: Ian Hickson <ian@hixie.ch>
To: Mike Belshe <mike@belshe.com>
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Cc: Hybi <hybi@ietf.org>
Subject: Re: [hybi] Frame size
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On Sun, 18 Apr 2010, Mike Belshe wrote:
>
> As an anecdote:  every single place that we thought we should use a 
> 16bit length in SPDY has come back to haunt us and will ultimately get 
> changed to 32bits.  When thinking of protocols to use now and also in 
> 2020, we really should not limit anything to 16bits unless it is in some 
> critically bandwidth-sensitive part of the protocol.  Remember that 
> bandwidth is cheap (and growing fast!)  Round Trip Times are expensive 
> (and not shrinking!)

N years from now (for some value of N) people will be saying the same 
about 32 bits. That's why I used a packed integer instead of a fixed-width 
integer to specify lengths.

-- 
Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'

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