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Date:      Fri, 8 Oct 1999 00:36:09 +0200 (CEST)
From:      N <niels@bakker.net>
To:        Deepwell Internet <freebsd@deepwell.com>
Cc:        freebsd-isp@FreeBSD.ORG
Subject:   Re: NetApp servers
Message-ID:  <9910080030530.6647-100000@liquid.tpb.net>
In-Reply-To: <4.2.0.58.19991007152026.02f2f9d0@mail1.dcomm.net>

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Deepwell Internet wrote:

> Can anyone point me to good documentation of building highly scalable web 
> servers or mail servers?  I'd like to explore some different designs and 
> look at how they scale and increase reliability.

One scenario is to store usernames in an LDAP database with a MySQL
backend, and change all end user-facing software to not use getpwnam() but
query the LDAP server instead.  Write a PHP3 frontend to the MySQL
database and you have a very robust system.

We're actually converting some of our setup to something similar to this.

With PAM you can use whatever authentication system you want, provided
there is a PAM module for it and you PAMify the application.  One very
large advantage of this is that you can use this on Linux, FreeBSD and
Solaris.  auth_radius may be useful as an alternative to the situation
outlined above.


> I noticed that Geocities offers all user pages at 
> www.geocities.com/~username.  How do you suppose they are implementing 
> this?  A large Sun box or two with NFS?

I guess more than two boxes because them eedjits mark all content served
as uncacheable.


	-- Niels.



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