What Is WSDL 1.1

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∟What Is WSDL 1.1

This section describes what is a WSDL 1.1 - Version 1.1 of WSDL (Web Services Definition Language is a language that can be used to define Web services as WSDL documents.

What is WSDL (Web Services Definition Language)? WSDL is a language that can be used to define Web services as WSDL documents.

WSDL 1.1 was released on 15 March 2001. Specification of WSDL 1.1 is available at http://www.w3.org/TR/wsdl.

At a high level, WSDL 1.1 uses 7 layers of components to define a Web service:

Types - A container for data type definitions using some type system (such as XSD elements).
Message - An abstract, typed definition of the data being communicated.
Operation - An abstract description of an action supported by the service.
Port Type - An abstract set of operations supported by one or more endpoints.
Binding - A concrete protocol and data format specification for a particular port type.
Port - A single port defined as a combination of a binding and a network address.
Service - A collection of related ports.