From owner-freebsd-isp Tue Oct 6 20:15:33 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id UAA16508 for freebsd-isp-outgoing; Tue, 6 Oct 1998 20:15:33 -0700 (PDT) (envelope-from owner-freebsd-isp@FreeBSD.ORG) Received: from peak.mountin.net (peak.mountin.net [207.227.119.2]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id UAA16447 for ; Tue, 6 Oct 1998 20:15:16 -0700 (PDT) (envelope-from jeff-ml@mountin.net) Received: (from daemon@localhost) by peak.mountin.net (8.9.1/8.9.1) id WAA18720; Tue, 6 Oct 1998 22:15:08 -0500 (CDT) Received: from luthien-10.isdn.mke.execpc.com(169.207.65.10) by peak.mountin.net via smap (V1.3) id sma018718; Tue Oct 6 22:15:04 1998 Message-Id: <3.0.3.32.19981006220817.00f7f3d4@207.227.119.2> X-Sender: jeff-ml@207.227.119.2 X-Mailer: QUALCOMM Windows Eudora Pro Version 3.0.3 (32) Date: Tue, 06 Oct 1998 22:08:17 -0500 To: Manar Hussain , freebsd-isp@FreeBSD.ORG From: "Jeffrey J. Mountin" Subject: Re: IP Load balancing In-Reply-To: <3.0.5.32.19981006222923.009d2330@stingray.ivision.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org At 10:29 PM 10/6/98 +0100, Manar Hussain wrote: > >The really cute way to do this is with a layer 4 switch ... something like >an alteon @10k odd + so it needs to be a serious solution requirement. The >switch itself has the ip address that is publically accessed and behind it >sits a network with it's on set of ip addresses etc. The switch farms out >the traffic as required in a pretty clever way, including tracking >sessions, having load balancing ruels, making sure the servers are up with >both pings and response checks on port 80 blah blah. Just what is meant by layer4 vs layer 3 or layer 2 switching, the last being most common. Not sure if they count up or down (up? from hardware level). What you suggest guarntee's a better balance than distributed DNS. Jeff Mountin - Unix Systems TCP/IP networking jeff@mountin.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message