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Date: Fri, 15 Nov 2002 12:22:18 -0500 (EST)
From: Jason Hunt <leth@primus.ca>
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Cc: nbari@unixmexico.com
Subject: Re: hotmail and yahoo 
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On Thu, 14 Nov 2002 nbari@unixmexico.com wrote:

> i just want to know what type or authentication does yahoo or hotmail uses
> for their webmail service
>
> what do they use for does big servers ldap or some sql (mysql, oracle, etc)?
>

http://www.ldapzone.com/general_interest.html

Take a look at that article.  It provides a lot of information about the
differences between SQL and LDAP.

I would suggest LDAP over SQL when it comes to doing authentication
(especially for a large number of users), simply because LDAP is designed
to provide faster read operations and is easier to replicate across
multiple servers.  SQL would be better when you want to do transactional
operations or change information frequenctly, and require it to be up to
date all the time across every server.


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