From owner-freebsd-net@FreeBSD.ORG  Mon Oct  1 16:24:25 2012
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
Delivered-To: net@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id C25E6106566B;
	Mon,  1 Oct 2012 16:24:25 +0000 (UTC)
	(envelope-from mi+thun@aldan.algebra.com)
Received: from smtp02.lnh.mail.rcn.net (smtp02.lnh.mail.rcn.net
	[207.172.157.102])
	by mx1.freebsd.org (Postfix) with ESMTP id 4878A8FC12;
	Mon,  1 Oct 2012 16:24:24 +0000 (UTC)
Received: from mr17.lnh.mail.rcn.net ([207.172.157.37])
	by smtp02.lnh.mail.rcn.net with ESMTP; 01 Oct 2012 12:24:24 -0400
Received: from smtp04.lnh.mail.rcn.net (smtp04.lnh.mail.rcn.net
	[207.172.157.104]) by mr17.lnh.mail.rcn.net (MOS 4.3.4-GA)
	with ESMTP id BSE24778; Mon, 1 Oct 2012 12:24:23 -0400
X-Auth-ID: anat
Received: from pool-173-63-112-200.nwrknj.fios.verizon.net (HELO
	[192.168.1.8]) ([173.63.112.200])
	by smtp04.lnh.mail.rcn.net with ESMTP; 01 Oct 2012 12:24:23 -0400
Message-ID: <5069C3B3.9050500@aldan.algebra.com>
Date: Mon, 01 Oct 2012 12:24:19 -0400
From: "Mikhail T." <mi+thun@aldan.algebra.com>
User-Agent: Mozilla/5.0 (X11; FreeBSD amd64;
	rv:14.0) Gecko/20120820 Thunderbird/14.0
MIME-Version: 1.0
To: net@FreeBSD.org
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: anders@freebsd.org, apache@FreeBSD.org
Subject: Is it worth the effort to make proxy and server communicate via Unix
 socket?
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 01 Oct 2012 16:24:25 -0000

In a fairly common setup today, a proxy (say, Varnish) runs on the same 
system as the actual "backend" server (such as Apache).

Would it be worthwhile to alter them both to allow them to talk via a 
socket instead of via TCP (on the lo0 interface)?

Or is the win just too negligible? Thanks!

    -mi