[horde] ldap vs. SQL backend

[Amith Varghese]

Well i'll take the first bite on this one:

I use both in my environment because as you mentioned both have their strength's
and weaknesses.  I use LDAP for authentication and for Turba, but use MySQL for
everything else.  Probably the main reason why I use LDAP is that almost any
decent MUA can read an addressbook from an LDAP server.  So for those who still
cling onto virus infested MUA's (Outlook) they are still able to access the
directory.

But as far as other things go, you would only use LDAP for speed and 
replication.  The support for LDAP in the various horde projects is OK, most of
the emphasis is put on SQL but there are folks out there who do use it.

Amith

Quoting Chris Paul <chris.paul at sentinare.net>:

> My question is this: Why LDAP? Why SQL? What are the pros and cons of
> LDAP vs SQL backends? Why would you pick one over the other? What's not
> possible with one that is with the other.
>
> I'm guessing LDAP has:
>
> 1. quicker lookups (database reads)
> 2. no duplication of account information (utilize existing
> organizational directory)
>
> Are there any advantages to using SQL? (Maybe I can't think of any
> because I'm a mail/directory person.)
>
> I'm thinking the pain of maintaining LDAP backends vs SQL backends may
> be an advantage to some organizations who have a lot of database expertise.
>
> thanks, regards,
>
> CP
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> Chris Paul
> Rex Consulting - Messaging and Security Solutions
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