Date: Mon, 22 Mar 1999 10:27:03 -0500 From: Christopher Sedore <cmsedore@maxwell.syr.edu> To: "'Cyril A. Vechera'" <cyril@main.piter.net> Cc: freebsd-net@FreeBSD.ORG Subject: RE: clustering/load balancing Message-ID: <262C3DA9BE0CD211971700A0C9B413A1CBDD@exchange.maxwell.syr.edu>
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> -----Original Message----- > From: Cyril A. Vechera [mailto:cyril@main.piter.net] > Subject: Re: clustering/load balancing > > > > From: "Gary Palmer" <gpalmer@FreeBSD.ORG> > > Subject: Re: clustering/load balancing > > > > Julian Elischer wrote in message ID > > <36F1BA88.2F1CF0FB@whistle.com>: > > > +-------[Machine B] > > > | > > > [internet]-----[ Machine A ]-----+-------[Machine C] > > > | > > > +-------[Machine D] > > > > ^^^^^^^^^ > > > > Single Point Of Failure > > in the original scheme 'single point of failure' is still present. > > +-------[Machine B] > | > [internet]-----[ any router ]----+-------[Machine C] > | > +-------[Machine D] > ^^^^^^^^^ > > or maybe you can see other way to connect 'internet' to Machine [B-C]? > > what is the differense between 'any router' failures and 'balance > dispatcher' failures? The difference is that you can have multiple links to the Internet or whatever other network you're trying to serve with your cluster. There are ways to achieve this with multiple dispatch machines, but its not as appealing a solution. -Chris To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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