how ldap works? Please help.
 

I come to know that ..an ldap server can be used as a centralized authentication for users to access many machines.
If yes, please explain how the flow happens?
Can some please help me?
Please suggest me some URL's if you have any.


Thanks,
James.

The best link would be http://www.google.com

Put "how does ldap work" into the box, and you get LOTS of results, all with varying degrees of difficulty, from very simple to very low level/complex. Start there...we're always happy to help if you don't understand something, but please...do put some effort into your homework on your own.
http://www.zytrax.com/books/ldap/ch2/
http://www.ust.hk/itsc/ldap/understand.html

See also http://www.linuxhomenetworking.com/w...DAP_and_RADIUS

For general study on LDAP, you can check following,

1. Lightweight Directory Access Protocol (Link)
2. Let me search that for you (Link)