The UDDI Working Group and Advisors Group has released the UDDI Version 3 Specification.

The UDDI Project is an industry initiative that is working to enable businesses to quickly, easily, and dynamically find and transact with one another. UDDI means Universal Description, Discovery and Integration.

The focus of UDDI is "the definition of a set of services supporting the description and discovery of":

• businesses, organizations, and other Web services providers,
• the Web services they make available, and
• the technical interfaces which may be used to access those services.

UDDI Version 3 has a lot of enhancements and new feutures such as:

• Support for digital signature
• Support for Multi-Registry Environment
• Improved WSDL support
• New subscription API
• Registry Management Improvements

A complete feature list can be found at http://uddi.org/pubs/uddi_v3_features.htm

UDDI uses the XML Schema Language to formally describe its data structures. UDDI 3.0 XML Schema is represented in 9 files, available from the UDDI specification page.