From owner-freebsd-net Thu Oct 26 6:18:24 2000 Delivered-To: freebsd-net@freebsd.org Received: from mail.softclub.net (spider.softclub.net [195.68.136.18]) by hub.freebsd.org (Postfix) with ESMTP id CB16937B479; Thu, 26 Oct 2000 06:18:18 -0700 (PDT) Received: from ws08.hq.softclub.net ([192.168.10.8]) by mail.softclub.net with esmtp (SOFTCLUB #3) id 13on1B-000MOO-00 ; Thu, 26 Oct 2000 17:24:29 +0400 Date: Thu, 26 Oct 2000 17:25:02 +0400 From: "Alexei V. Alexandrov" X-Mailer: The Bat! (v1.44) Reply-To: "Alexei V. Alexandrov" Organization: ElcomSoft Ltd. X-Priority: 3 (Normal) Message-ID: <2615768964.20001026172502@elcomsoft.com> To: Sven.Huster@t-online.de Cc: freebsd-net@freebsd.org, freebsd-isp@freebsd.org Subject: Re: high availability by routing? In-reply-To: <13ok7k-1u9WtMC@fwd05.sul.t-online.com> References: <13ok7k-1u9WtMC@fwd05.sul.t-online.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Hello Sven, Thursday, October 26, 2000, 2:19:00 PM, you wrote: SHtod> hi there, SHtod> at the moment i have following setup: SHtod> |isp| --- |my router| -- |switch| -- |loadbalancer| -- |web farm| SHtod> i want to improve availability by adding a second loadbalancer and SHtod> a second router + a second connection to my network provider to SHtod> eliminate the single point of failure (i know about the single SHtod> switch). SHtod> so the setup then will be: SHtod> | | -- |router 1| -- | | -- |loadbalancer 1| -- | | SHtod> |isp| |switch| |web farm| SHtod> | | -- |router 2| -- | | -- |loadbalancer 2| -- | | SHtod> but SHtod> 1. how is routing managed between isp and my routers? SHtod> 2. what happends if one router fails or one isp connection is broken? SHtod> 3. how does the loadbalancer recongnizes that one router fails? SHtod> 4. how do i tell my routers to distribute traffic between the SHtod> loadbalancers equal? SHtod> 5. how can i handle the failure of one loadbalancer? I think the best way is to get connected with another ISP. This gives the opportunity if one of them is down there is always another one. There is HOWTO on the net about multihoming (http://noc.comstar.ru/miscdocs/multi.html). Hope this helps. Best regards, Alexei V. Alexandrov [AA4460, AVA32-RIPN, AA1829-RIPE] ------------------------------------------------------------------------ *** Alexei V. Alexandrov -- www.elcomsoft.com ---- ava@elcomsoft.com *** *** PGP Fingerprint: 9F23 7153 51D4 FD8F 4E7F D4DF E0FA E400 *** ------------------------------------------------------------------------ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message