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CONTINUATION proposal w/ minimum change

From: <K.Morgan@iaea.org>
Date: Mon, 30 Jun 2014 18:00:16 +0000
To: <mnot@mnot.net>, <phk@phk.freebsd.dk>
CC: <ietf-http-wg@w3.org>
Message-ID: <0356EBBE092D394F9291DA01E8D28EC20118700E37@sem002pd>
On Friday,27 June 2014 09:36, mnot@mnot.net<mailto:mnot@mnot.net> wrote:
> Can someone please provide a proposal?



I've incorporated many of the ideas mentioned on the list and in the NYC minutes to create a proposal that (I believe) accomplishes the goals with a minimum amount of change.



Changes:

+ Only the HEADERS and PUSH_PROMISE frames can alter the compression context.

+ CONTINUATION frames can only use hpack literals (optionally Huffman encoded) that don't alter the table.

  - CONTINUATION is flow controlled

  - CONTINUATION has an END_STREAM flag



Benefits:

+ Simplifies CONTINUATION implementation

  - i.e. fixes the nonsensical END_STREAM that doesn't actually end the stream

+ Flow control of CONTINUATION:

  - removes the incentive for implementations to cheat and send large amounts of data in the HEADERS+CONTINUATION jumbo frames

  - may help with certain HOL blocking situations (e.g. connection coalescing)


See pull request here: https://github.com/shearl/http2-spec/commit/5a548553334e35cbba5946d238e9a14c6ba03f7e




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Received on Monday, 30 June 2014 18:01:06 UTC

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