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SSDN AdminSubject: [XML News] W3C Issues Last Call Working Drafts for WSDL Version 2.0 Specifications
Author: SSDN Admin
Date: 09 Aug 2004 11:25 PM
Dear Stylus Studio User Community,

We periodically re-post important announcements from the W3C on important emerging XML technologies.

This week, the World Wide Web Consortium's Last Call Working Draft documents have been released for the Web Services Description Language (WSDL) specification Version 2.0. The documents have been authored by members of the Web Services Description Working Group, produced as part of the W3C Web Services Activity.

The WSDL 2.0 Core Language (Part 1) document describes the Web Services Description Language (WSDL) Version 2.0, "an XML language for describing Web services. This Part 1 specification defines the core language which can be used to describe Web services based on an abstract model of what the service offers. It also defines criteria for a conformant processor of this language. WSDL enables one to separate the description of the abstract functionality offered by a service from concrete details of a service description such as 'how' and 'where' that functionality is offered."

The WSDL 2.0 Predefined Extensions (Part 2) document "describes extensions for the Web Services Description Language (WSDL) Version 2.0 . These extensions include Message Exchange Patterns (MEPs), features, SOAP modules, and bindings of features. The Working Group has discussed and approved these extensions, and recommends their use with WSDL.

The WSDL Version 2.0 Bindings (Part 3) specification describes how to use WSDL in conjunction with SOAP 1.2 Part 1: Messaging Framework.MIME, and and HTTP/1.1, as well as other versions of HTTP. This Bindings specification depends on WSDL Version 2.0 Core Language.

The W3C Web Services Description Working Group received three formal objections from Working Group participants against portions of the WSDL 2.0 specification draft. The WG especially invites feedback on these minority opinions as part of the Last Call review. The three objections pertain to compositors, feature and properties, and requiring unique GEDs or required feature to distinguish operations.

The Web Services Description Working Group welcomes public comment on the WSDL Version 2.0 drafts through October 4, 2004.

Read the entire story at: http://xml.coverpages.org/ni2004-08-04-a.html

Learn more about Stylus Studio's Support for Web Services Development at: http://www.stylusstudio.com/web_services.html

The WSDL technologies home at the W3C: http://www.w3.org/TR/wsdl

The Stylus Studio Team

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