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Re: Transfer-codings, mandatory content-coding support and intermediaries

From: <K.Morgan@iaea.org>
Date: Fri, 18 Apr 2014 21:51:29 +0000
To: <ietf-http-wg@w3.org>, <dwm@xpasc.com>, <matthew@kerwin.net.au>, <mnot@mnot.net>, <martin.thomson@gmail.com>, <C.Brunhuber@iaea.org>
Message-ID: <335A7EDE-F901-49DF-804B-2B73A8B2096A@iaea.org>
> On Apr 18, 2014, at 23:36, dwm@xpasc.com wrote:
> I've missed some of the
> discussion, but I can't
> imagine why you would
> limit the compression context
> to a single data frame.

You trade a bit of compressibility (not much, see [1]) for a serious reduction in implementation complexity.

Consider a client managing 100 simultaneous streams. Depending on the interleaving, the client could potentially need to keep around 100 separate decompression contexts. Doing decompression frame-by-frame allows for the possibility of a simple implementation that uses a single context to decompress each compressed frame as it arrives.

[1] http://lists.w3.org/Archives/Public/ietf-http-wg/2014AprJun/0156.html

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Received on Friday, 18 April 2014 21:52:16 UTC

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