From owner-freebsd-isp Tue Oct 6 11:57:44 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id LAA18609 for freebsd-isp-outgoing; Tue, 6 Oct 1998 11:57:44 -0700 (PDT) (envelope-from owner-freebsd-isp@FreeBSD.ORG) Received: from aniwa.sky (pppk-13.igrin.co.nz [202.49.245.92]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id LAA18575 for ; Tue, 6 Oct 1998 11:57:39 -0700 (PDT) (envelope-from andrew@squiz.co.nz) Received: from localhost (andrew@localhost) by aniwa.sky (8.8.8/8.8.7) with SMTP id HAA05798; Wed, 7 Oct 1998 07:57:24 +1300 (NZDT) (envelope-from andrew@squiz.co.nz) Date: Wed, 7 Oct 1998 07:57:23 +1300 (NZDT) From: Andrew McNaughton X-Sender: andrew@aniwa.sky Reply-To: andrew@squiz.co.nz To: Steven Fletcher cc: freebsd-isp@FreeBSD.ORG Subject: Re: IP Load balancing In-Reply-To: <361a2474.1852724@smtp.shellnet.co.uk> 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 On Tue, 6 Oct 1998, Steven Fletcher wrote: > I've recently encountered a product on WinNT, named Convoy and I am > wondering if there is anything at all like this for FreeBSD... I'll > explain. > > It basically is a way of 2 machines and 2/4 network cards sharing one > IP address. They talk to each other (via MAC I belive) and also talk > to the router which they are connected to via the network, answering > ARP requests in a kind of you-me order. > > If one server crashes then the other one takes over regardless. > > Now; FreeBSD has never - in over a year now of using it crashed for me > :).... but as a service to our customers we do boast high levels of > redundancy - You get the picture.... so basically is there any kind of > sharing system like this for FreeBSD ? Round-Robin DNS is not the > answer - if we take one server offline then every 2nd user gets a duff > connection. This came up on the database@freebsd.org list some months back. Try searching for HA and 'high availablity' on that lists archives. As I remember, the gist of it was to make the switch at the IP to ethernet address translation in the routing tables. Andrew McNaughton To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message