The Web Services Description Working Group has released the First Public Working Draft of the "Web Services Description Language (WSDL) Version 2.0 Part 0: Primer." A companion to the WSDL 2.0 Core Language, Predefined Extensions and Bindings specifications, the Primer develops a simple example WSDL 2.0 document using a hotel reservation service use case. Readers will also find information on defining message types and services, and on interfaces, bindings and advanced topics.
