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Re: HTTP router point-of-view concerns

From: Michael Sweet <msweet@apple.com>
Date: Thu, 11 Jul 2013 08:16:29 -0400
Message-id: <7BD2D277-BDA4-44DF-95D5-16DADA001DF0@apple.com>
Cc: Christian Parpart <trapni@gmail.com>, "ietf-http-wg@w3.org" <ietf-http-wg@w3.org>
To: Amos Jeffries <squid3@treenet.co.nz>
Amos,

On 2013-07-11, at 6:08 AM, Amos Jeffries <squid3@treenet.co.nz> wrote:
> ...
>> here I don't think that will be much of the case, since HTTP/2 header encoding should still be a way smaller in bytes than HTTP/1.1 and prior.
> 
> Only in compressed form. The Literal form is equivalent to non-compressed HTTP/1.1 syntax. So the bandwidth is being expanded from HTTP/2 size up to HTTP/1 size. Low input causing the relay to generate large output is the very definition of amplification.

Well, a typed encoding would still offer some modest savings, and there are alternate compression schemes that could be used that are not so stateful.

I /do/ like the idea of a start frame (request, response, push promise) before the headers...


Received on Thursday, 11 July 2013 12:16:58 UTC

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