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Re: Connection Header

From: Simon E Spero <ses@tipper.oit.unc.edu>
Date: Mon, 19 Dec 94 19:00:56 -0500
Message-Id: <9412200000.AA18257@tipper.oit.unc.edu>
To: "Roy T. Fielding" <fielding@blanche.ICS.UCI.EDU>
Cc: http-wg%cuckoo.hpl.hp.com@hplb.hpl.hp.com
I've been looking at how much work it would take do add a simple session
based connection-reuse method to existing implementations of HTTP 1.0, 
and it seems pretty simple.

libwww can be upgraded by putting a connection cache in HTTP.c, replacing
the HTConnect with a look at the cache, and a possible session probe, and 
by by using function variables for the NETREAD and NETWRITE calls. MGET could
be emulated by adding a varargs version of the LoadDocument call. 

NCSA httpd could be upgraded by a making a few hacks to process request, and 
by running it a couple of times under purify or test-center to get rid of 
any memory leaks. 

SCP is a good a way as any to do the packetisation; SCP does allow the responses
to be interleaved; however taking advantage of this requires enough rewriting to
make this sort of functionality worth leaving to HTTP-ng 

I think there's definitely a place for a quick hack HTTP 1.1 designed to 
be as small a change as possible to HTTP 1.0- re-using connections is the
biggest network performance  win- interleaved rendering gets most of the rest-
after that most of the gains are in functionality like challenge based payment,
security, better meta-information, and better proxy support.

Received on Monday, 19 December 1994 16:03:41 UTC

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