... systems. Chapter 12. What Are Directory Services? • Some Background • Introducing Java Naming Directory Interface • Using the JNDI to Access LDAP-Based Data Directory services are the services provided ... chapters discussing how to develop systems of objects using software, let's take a moment to examine how Java-based hardware can change your professional and personal worlds. Someday soon, ... Directory services are the services provided by special network databases that are used, much as paper phone books are (i.e., to map names to addresses, phone numbers, and services). The directory...