From owner-freebsd-net Sat Mar 6 9:31:30 1999 Delivered-To: freebsd-net@freebsd.org Received: from smtp03.wxs.nl (smtp03.wxs.nl [195.121.6.37]) by hub.freebsd.org (Postfix) with ESMTP id 161E815285 for ; Sat, 6 Mar 1999 09:31:27 -0800 (PST) (envelope-from asmodai@wxs.nl) Received: from daemon.ninth-circle.org ([195.121.56.111]) by smtp03.wxs.nl (Netscape Messaging Server 3.61) with ESMTP id AAA1150; Sat, 6 Mar 1999 18:31:08 +0100 Received: from daemon.ninth-circle.org (abaddon@daemon.ninth-circle.org [192.168.0.1]) by daemon.ninth-circle.org (8.9.3/8.9.3) with ESMTP id SAA24409; Sat, 6 Mar 1999 18:32:03 +0100 (CET) (envelope-from asmodai@wxs.nl) Message-ID: X-Mailer: XFMail 1.3 [p0] on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: Date: Sat, 06 Mar 1999 18:32:03 +0100 (CET) Organization: Ninth Circle Enterprises From: Jeroen Ruigrok/Asmodai To: Christopher M Sedore Subject: Re: IP source address based load balancing Cc: freebsd-net@FreeBSD.ORG, Luigi Rizzo Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On 06-Mar-99 Christopher M Sedore wrote: > Yes. I'm hoping that I'll be able to write a "cluster" daemon that will > monitor the machines and reconfigure on failure or addition. A broadcast > heartbeat would allow failure detection. This is somewhat more complex > that I had originally hoped, since the operations would ideally not need > a "master" machine, and would be all distributed. This means that all > machines in a cluster need to somehow negotiate a mutually agreed upon > configuration through broadcasting to each other. I have some > not-too-developed ideas on how to do this, but there are a number of > failure modes, etc that have to be considered. Shouldn't a multicast heartbeat suffice? If one could avoid broadcasting wherever possible, avoid it. --- Jeroen Ruigrok van der Werven asmodai(at)wxs.nl The idea does not replace the work... Network/Security Specialist *BSD: Powered by Knowledge & Know-how To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message