W3C home > Mailing lists > Public > ietf-http-wg@w3.org > July to September 2014

Re: Call for Consensus: Frame size (to address #553)

From: Jeff Pinner <jpinner@twitter.com>
Date: Sun, 13 Jul 2014 14:23:08 -0700
Message-ID: <CA+pLO_h2799vs37eY1HaSnBUmcGkGW-tmjTCJe1WeKZJRAtQGA@mail.gmail.com>
To: Martin Thomson <martin.thomson@gmail.com>
Cc: Erik Nygren <erik@nygren.org>, Mark Nottingham <mnot@mnot.net>, HTTP Working Group <ietf-http-wg@w3.org>
So am I to read this as a client might advertise a max frame size of
256 bytes and then request a 2GB file?

On Sun, Jul 13, 2014 at 1:12 PM, Martin Thomson
<martin.thomson@gmail.com> wrote:
> On 13 July 2014 12:59, Erik Nygren <erik@nygren.org> wrote:
>> Where does the 256 octet minimum come from?  That seems like an arbitrary
>> value.  Is it too low?   The minimum values have ended up mattering in other
>> protocols  (the IPv4 minimum bleeding over into impacting DNS, etc) so we
>> should be careful not to set it too low.
>
> That's basically the smallest unit that anyone could imagine being
> useful.  (PHK cites GET /robots.txt as needing less than that much for
> uncompressed header fields.)
>
> The concerns around MTU and all that aren't really relevant here, so a
> really small minimum is OK.
>
Received on Sunday, 13 July 2014 21:23:36 UTC

This archive was generated by hypermail 2.3.1 : Wednesday, 30 March 2016 09:57:09 UTC