- Web services need to be described in a standard format.
- WSDL provides the language for describing web services.
- The latest version of WSDL is available at
http://www.w3.org/TR/wsdl.
- WSDL defines various components, such as operations, data types, and protocols that can be reused to describe web services in a WSDL document.
- A WSDL document specifies the location of a web service and the operations the web service exposes.
- A WSDL document represents the external interface of a web service.
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