LDAP / Lightweight Directory Access Protocol for Not Yet Techies

"Computer Careers: Using a Standard Software Protocol for Tracking Network Domain Locations"

by Richard Stooker, President Info Ring Press and author of Secrets of Changing to a Computer Career

LDAP / Lightweight Directory Access Protocol is a software standard for directories over networks. It enables access to common information on networks and is the leading IP protocol for for directory-like information. LDAP / Lightweight Directory Access Protocol therefore tracks such information as user identities, preferences, security privileges etc.

LDAP / Lightweight Directory Access Protocol allows you to enable you to locate people on networks, including the Internet. It is a "lightweight" version of Directory Access Protocol (DAP), which is a part of X.500, a standard for directory services in networks, considered too complex. WHOIS is also used on the Internet.

It uses DSML / Directory Services Markup Language for XML document types.

LDAP / Lightweight Directory Access Protocol also uses NIS and PH/QI

A directory can be distributed among many servers and they are called a Directory System Agent (DSA). Directory servers are applications that act as directory servers. They are not relational databases.

The standard LDAP / Lightweight Directory Access Protocol port is TCP port 389. You use JNDI to access it with Java.

The basic element of information in LDAP / Lightweight Directory Access Protocol are entries. You did scope and base searches. It supports:

White pages
Authentication and authorization
Personalization
Roaming profiles
PKI
Message delivery

LDAP / Lightweight Directory Access Protocol is included with Netscape and in Microsoft's Active Directory. It is also supported by Novell's NetWare Directory Services and Cisco's networking hardware.

Next: MAC Media Access Control

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