PALO ALTO, CA -- (MARKET WIRE) -- December 6, 2006 -- The latest study by The Radicati Group, "Directory Services Market, 2006-2010," provides market size, four-year forecasts, technology trends, and competitive information for the Directory Services market.

Directories continue to be the indispensable foundation for many vital applications, including security, authentication, e-mail, Identity Management, and many others.

This study categorizes the market according to three segments: NOS Directories, which support the operation of network environments, Enterprise and Carrier Directories, which serve as central data repositories for corporate or service provider information, and Metadirectories/Virtual Directories, which synchronize directory data across corporate applications.

According to the study, the directory services market, including all segments, will reach $800 million in worldwide revenues in 2006, and will grow to almost $1.8 billion by 2010.

To order a copy of the study, or for additional information about our market research programs, please visit our web site at http://www.radicati.com, or call Ruchi Batra at (650) 322-8059.

About The Radicati Group, Inc.

The Radicati Group covers all aspects of e-mail security, e-mail archiving, regulatory compliance, wireless technologies, web services, identity management, instant messaging, unified communications, VoIP, and more. The company provides quantitative and qualitative information, including detailed market size, installed base and forecast information on a worldwide basis, as well as detailed country breakouts.

The Radicati Group works with corporate organizations to assist them in selecting the right products and technologies to support their business needs, as well as with vendors to define the best strategic direction for their products. We also work with investment firms on a worldwide basis to help them identify and assess investment opportunities.

The Radicati Group, Inc. is headquartered in Palo Alto, CA, with a European office in London, UK and an Australian office in Melbourne.

Contact Information: Contact: Ruchi Batra The Radicati Group, Inc. (650) 322-8059 Email Contact