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#540 jumbo frame, was: Stuck in a train -- reading HTTP/2 draft.

From: <K.Morgan@iaea.org>
Date: Tue, 24 Jun 2014 15:47:36 +0000
To: <jasnell@gmail.com>, <matthew@kerwin.net.au>
CC: <phk@phk.freebsd.dk>, <mnot@mnot.net>, <squid3@treenet.co.nz>, <ietf-http-wg@w3.org>
Message-ID: <0356EBBE092D394F9291DA01E8D28EC201186E09FB@sem002pd.sg.iaea.org>
Added this as issue #540: https://github.com/http2/http2-spec/issues/540


-keith

On Monday,23 June 2014 17:55, jasnell@gmail.com wrote:
+1... especially if it means getting rid of CONTINUATION.

On Mon, Jun 23, 2014 at 5:36 AM, Matthew Kerwin <matthew@kerwin.net.au> wrote:
> On 23/06/2014, K.Morgan@iaea.org <K.Morgan@iaea.org> wrote:
>> On Sunday,22 June 2014 14:36, phk@phk.freebsd.dk wrote:
>>> , Matthew Kerwin writes:
>>>
>>>>I realise I should probably clarify my thoughts on what to do if a
>>>>single header doesn't fit in a 16K frame.  The option I like best
>>>>comes from one of PHK's earlier posts, where one of the reserved
>>>>bits in the frame header is used as a "jumbo frame" marker such that
>>>>if it's set the first, say, four octets of payload space is actually
>>>>an extra 32 bits of payload length
>>>
>>> I would have it be the max length of *any* frame we're willing to
>>> accept, and the default would then obviously be the 16kbyte
>>> currently implicit in the standard.
>>>
>>
>> So are you proposing the "jumbo frame" marker for all frames, not
>> just the HEADERS frames?
>
> I suppose so. It makes no sense on a fixed-length frame like PING, but
> it simplifies the machinery no end if all frames have the same
> handling -- that's the whole idea, in fact.
>
>> I think it's a great idea, but I know it makes a bunch of people
>> nervous about HOL blocking if you allow more than 16K in a DATA
>> frame.
>>
>
> Hence the setting.
>
> --
>   Matthew Kerwin
>   http://matthew.kerwin.net.au/

>

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Received on Tuesday, 24 June 2014 15:51:27 UTC

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