Re: delta encoding and state management

Nico Williams <nico@cryptonector.com> Thu, 17 January 2013 21:41 UTC

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Date: Thu, 17 Jan 2013 15:40:23 -0600
Message-ID: <CAK3OfOhPdmML+rRb2Ti+_7O8GYA6shNatUL0EC8_evNSdAAiMg@mail.gmail.com>
From: Nico Williams <nico@cryptonector.com>
To: Mark Nottingham <mnot@mnot.net>
Cc: Roberto Peon <grmocg@gmail.com>, James M Snell <jasnell@gmail.com>, "ietf-http-wg@w3.org" <ietf-http-wg@w3.org>
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Subject: Re: delta encoding and state management
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On Thu, Jan 17, 2013 at 3:33 PM, Mark Nottingham <mnot@mnot.net> wrote:
> The problem is that the biggest part of our target data is often opaque blobs -- in the forms of cookies, ETags, request URIs and referers. A "minimal encoding" of a cookie, as currently defined, isn't going to save us much at all.

Cookies won't compress; servers that set them should make sure they
are already minimal.

I get the rest.  URIs may not compress well at all without reference
to larger compression state, and that may have to be something we have
to live with.  Can we?