The W3C released WSDL 2.0 as a Candidate Recommendation on January 6, 2006.
The Web Services Description Group, part of the Web Services Activity, made
three main documents publicly available for review:
Part 0: Primer - Intended to be a less-technical introduction to the main
concepts described in the Core Language.
Part 1: Core Language - Describes the elements for the abstract concepts and
the constructs for binding concrete implementations found in the Adjuncts
document.
Part 2: Adjuncts - Defines the predefined extension points and mechanisms for
pairing WSDL with its most likely partners SOAP and HTTP.
The Candidate Recommendation, as a draft document, is intended for platform
and tool vendors responsible for implementing the proposed standard.
Implementations built using this version of the specification will help
identify issues and potential gaps before the fi... (more)