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Re: HTTP router point-of-view concerns

From: Nicolas Mailhot <nicolas.mailhot@laposte.net>
Date: Sun, 14 Jul 2013 13:15:38 +0000 (UTC)
To: ietf-http-wg@w3.org
Message-ID: <loom.20130714T145923-27@post.gmane.org>
Willy Tarreau <w <at> 1wt.eu> writes:

> On Sat, Jul 13, 2013 at 06:48:31PM +0000, Poul-Henning Kamp wrote:
> > It could actually be interesting if somebody would go through their
> > HTTP/1.1 traffic and estimate how much bandwidth would be saved.
> On most static servers (ie most of the round trips for loading a page),
> it will actually *inflate* the traffic since we normally don't send
> cookies there, but with the proposal, I suppose the session ID will be
> sent anyway (or we need at least one bit to indicate its presence).

How about this:

1. servers mark the parts of a web site that need a routing label (could be
some form of url extension, for example @ without login or @@ in presence of

2. they propose a new routing label to clients that connect to such a part
without one

3. the client then answers either with this label or the one it used
previously (if it remembers it)

4. the client can refuse to reuse a label already allocated to another site
(not same origin or different certificate, perhaps, policy is client-side)

5. there are strong protections against routing label abuse :
– lifetime limited to two hours since last exchange (enough to handle most
interruptions and lunch breaks)
– lifetime limited to 12 hours since set up (a big work day)
— size limited so you can not stuff other things in there

Nicolas Mailhot
Received on Sunday, 14 July 2013 13:16:18 UTC

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