From owner-freebsd-isp Tue Aug 3 5:47:28 1999 Delivered-To: freebsd-isp@freebsd.org Received: from buffnet4.buffnet.net (buffnet4.buffnet.net [205.246.19.13]) by hub.freebsd.org (Postfix) with ESMTP id A64D615246 for ; Tue, 3 Aug 1999 05:47:25 -0700 (PDT) (envelope-from shovey@buffnet.net) Received: from buffnet11.buffnet.net (buffnet11.buffnet.net [205.246.19.55]) by buffnet4.buffnet.net (8.8.7/8.8.7) with ESMTP id IAA05035; Tue, 3 Aug 1999 08:47:17 -0400 (EDT) (envelope-from shovey@buffnet.net) Date: Tue, 3 Aug 1999 08:47:16 -0400 (EDT) From: Steve Hovey To: Mitch Vincent Cc: freebsd-isp@FreeBSD.ORG Subject: Re: Loadbalance webservers In-Reply-To: <003b01bedd3e$e0378b80$0200000a@windows.cygone.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Anyone know a good place they can point me to for the how-tos of round robin DNS? On Mon, 2 Aug 1999, Mitch Vincent wrote: > Isn't the most common way of load balancing something like a web server, > just round-robin DNS? > > I know there are several hardware solutions for load balancing, but I'd say > round-robin is the most commonly used non-hardware method. > > > -Mitch > > "When all your plans fail, backup, re-group and press on. The only real > failure is quitting..." > > -----Original Message----- > From: Craig W. Shaver > To: LutzRab@omc.net ; freebsd-isp@FreeBSD.ORG > > Date: Monday, August 02, 1999 5:04 PM > Subject: Re: Loadbalance webservers > > > > > >> Subject: Loadbalance webservers > >> Reply-To: LutzRab@omc.net > >> X-mailer: Pegasus Mail for Win32 (v3.11) > >> Sender: owner-freebsd-isp@FreeBSD.ORG > >> X-Loop: FreeBSD.org > >> Precedence: bulk > >> > >> We have the problem to split the traffic to a busy website on two or > >> more webservers. This needs to be done in a way that the client doesn't > >> realize that there are different machines serving the same domain. > >> > >> We use 3.2.STABLE with apache 1.3.6/php. > >> > >> Is there an approach to do this under FreeBSD? > >> > >> I guess that yahoo.com does not have just one frontend webserver... > >> > >> lutz rabing > >> -OMCnet Internet Service GmbH- > >> > > > > > >I've seen two that work pretty well, but they are not shareware/open > >source. One method is to use cisco local director. The cisco people > >are coming out with a revision on this that allows you to run a load > >input back to the director from a program running at a specific port on > >your individual web server. That would allow you to determine a factor > >that tells the cisco box how loaded you are :). That could be > >determined by load, cpu utilization, memory usage, swap, etc. The > >current version of local director uses the number of connections and any > >predetermined heuristic that you input for load balancing. > > > >Another solution is Resonate. I am currently using that on > >http://translator.go.com/ for both the front ends and back ends. It is > >very flexible and can be configured to do all sorts of custom load > >balancing. It can even be used to map a single port to multiple ports. > >They have a version for Linux, but not for freebsd. Maybe if enough of > >us ask they could do one for freebsd. They seem to be pretty responsive > >to my questions. They run agents on multiple servers that have been > >ifconfig'd to answer to the same ip. The agents talk to each other and > >do heartbeats. One agent is the master, another is the failover > >scheduler, and the rest are just plain servers. This package is easy to > >set up and administer. I like it. > > > > > > > >-- > >cshaver@infoseek.com (408)543-6451 > >Craig Shaver, Productivity Group > >POB 60458 Sunnyvale, CA 94088 (650)390-0654 > >http://www.progroup.com/ mailto:craig@progroup.com > > > > > >To Unsubscribe: send mail to majordomo@FreeBSD.org > >with "unsubscribe freebsd-isp" in the body of the message > > > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-isp" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message