Red Hat DIRECTORY SERVER 7.1 - DEPLOYMENT Deployment Manual page 106

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In the illustration above, the following steps are performed:
The client application binds with server A, and server A tries to confirm that
1.
the user name and password are correct.
Server A does not contain an entry corresponding to the client application.
2.
Instead, it contains a database link to server B, which contains the actual entry
of the client. Server A sends a bind request to server B.
Server B sends an acceptance response to server A.
3.
Server A then processes the client application's request using the database
4.
link. The database link contacts a remote data store located on server B to
process the search operation.
In a chained system, the entry corresponding to the client application does not
need to be located on the same server as the data the client requests. For example,
a system could be set up as follows:
106 Red Hat Directory Server Deployment Guide • May 2005