⟩ How to use LDAP to work with a directory service?
An LDAP directory can be distributed among many servers.
Each server can have a replicated version of the total directory that is synchronized periodically.
An LDAP server is called a Directory System Agent (DSA).
An LDAP server that receives a request from a user takes responsibility for the request, passing it to other DSAs as necessary, but ensuring a single coordinated response for the user.