Date: Tue, 06 Oct 1998 18:05:34 -0500 From: "Jeffrey J. Mountin" <jeff-ml@mountin.net> To: Graeme Tait <U@webcom.com> Cc: freebsd-isp@FreeBSD.ORG Subject: Re: How to share accounts between mail/pop and web servers? Message-ID: <3.0.3.32.19981006180534.00f762c4@207.227.119.2> In-Reply-To: <361A3D16.14B5@webcom.com> References: <87hfxiv0r9.fsf@absinthe.shenton.org>
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At 08:53 AM 10/6/98 -0700, Graeme Tait wrote: >Chris Shenton wrote: >> >> I plan to split into two boxes: one for WWW and FTP, the other for >> SMTP, POP, and IMAP. Not sure where I'm gonna run RADIUS yet, maybe >> on both for redundancy. > > >May I ask maybe a dumb question, as I am involved as a newbie in setting >up our own server much like the above (except for dialup), and hope some >day to have this problem ;-) > >Why not duplicate the box and split the users across boxes? That way if >one box goes down, only half your users suffer. It's scalable, as for >yet more users you just add another box, and you can load-balance the >boxes easily for good utilization by allocating users appropriately. >Configuration is the same from box to box, and having hardware spares is >easy. The only thing that might connect the boxes is having them do >secondary DNS for each other. This creates overhead in administrating the users. Load balancing implies that you are mirroring and then the thorny issue of how to mirror comes up. Some day there will be a good solution for this like Novell's, which mirrors in real time over a private fibre connection. It's better to break out services to various servers, so that only one service may be down for the customer. If it's fixed quickly, they usually don't mind, but when "everything" is down for them. Jeff Mountin - Unix Systems TCP/IP networking jeff@mountin.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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