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Re: [hybi] workability (or otherwise) of HTTP upgrade

Willy Tarreau <w@1wt.eu> Fri, 10 December 2010 09:49 UTC

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Date: Fri, 10 Dec 2010 10:50:46 +0100
From: Willy Tarreau <w@1wt.eu>
To: Greg Wilkins <gregw@webtide.com>
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Cc: hybi <hybi@ietf.org>
Subject: Re: [hybi] workability (or otherwise) of HTTP upgrade
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On Fri, Dec 10, 2010 at 10:39:51AM +0100, Greg Wilkins wrote:
> On 9 December 2010 20:42, Zhong Yu <zhong.j.yu@gmail.com> wrote:
> > I believe HTTP cookies shouldn't be included in WS, and I'll make that
> > case in time.
> 
> If WS starts with a normal HTTP request, then I think that request
> should fully respect the current state of the art with regards to
> cookies.  It is a HTTP request and will be routed and handled by
> existing HTTP mechanisms, many of which use Cookies as part of their
> security, routing or other value add. Whatever you think of cookies as
> a design, adding additional exceptions and provisions for special HTTP
> requests is just going to add to confusion and make worse designs.

Cookies are indeed important, they're very commonly used to provide
stickiness information, so that a user can stick to the same server
among a farm. For instance, a user will connect to a server for the
web part and will have to reconnect to the WS part on the same server
because of a shared context or such. Also some sites will probably
want to ensure that users who get disconnected due to timeouts or
any reason always reconnect to the same server.

Willy

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