If you need to learn more about any of the aforementioned concepts or would like to study LDAP and the deployment of directory services in general, the following are useful titles.
Understanding and Deploying LDAP Directory Services by Timothy A. Howes, Ph.D and Mark C. Smith
In addition to providing a thorough treatment of LDAP directory services, this book includes useful case studies on deploying LDAP at a large university, a large multinational enterprise, and an enterprise with an extranet.
iPlanet Directory Server 5.1 Deployment Guide, which is included in the documentation CD.
This guide provides a foundation for planning your directory, including directory design, including schema design, the directory tree, topology, replication, and security. The last chapter provides sample deployment scenarios to help you plan simple deployments as well as complex deployments designed to support millions of users distributed worldwide.
iPlanet Directory Server 5.1 Administrator's Guide, which is included in the documentation CD.