Date: Wed, 7 Oct 1998 07:57:23 +1300 (NZDT) From: Andrew McNaughton <andrew@squiz.co.nz> To: Steven Fletcher <steven@shellnet.co.uk> Cc: freebsd-isp@FreeBSD.ORG Subject: Re: IP Load balancing Message-ID: <Pine.BSF.4.01.9810070754470.5732-100000@aniwa.sky> In-Reply-To: <361a2474.1852724@smtp.shellnet.co.uk>
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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
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