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Re: keepalives and proxies: a request and a proposal

From: Roy T. Fielding <fielding@avron.ICS.UCI.EDU>
Date: Fri, 17 Nov 1995 13:54:40 -0800
To: Ari Luotonen <luotonen@netscape.com>
Cc: Lorenzo Vicisano <vicisano@iet.unipi.it>, http-wg mailing list <http-wg%cuckoo.hpl.hp.com@hplb.hpl.hp.com>
Message-Id: <9511171354.aa29744@paris.ics.uci.edu>
> I'm all for addition of Proxy-Connection: keep-alive to the spec; more
> specifically:

In a word, NO.  It does not adequately take into account the presence
of hierarchical proxies, nor does it help with gateways.  The only
way to differentiate communication capabilities is through the 
protocol name + version number, since that is the only feature
that cannot be passed on by a proxy.  Things will improve with HTTP/1.1
in terms of communication rules, but we are not going to add another
proxy header hack when it won't be sufficient anyway.

 ...Roy T. Fielding
    Department of Information & Computer Science    (fielding@ics.uci.edu)
    University of California, Irvine, CA 92717-3425    fax:+1(714)824-4056
Received on Friday, 17 November 1995 14:00:43 UTC

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