JNDI provides the following new features.
Enhancements to javax.naming.NameClassPair to access the fullname from the directory/naming service
Support for standard LDAP controls: Manage Referral Control, Paged Results Control and Sort Control
Support for manipulation of LDAP names.
Refer to the documentation at http://java.sun.com/j2se/1.5.0/docs/guide/jndi/index.html.