· ● An abstract WSDL document describes what the
web service does, but not how it does it or how to contact it. An abstract WSDL
document defines:
the operations provided by the web service.
The input, output and fault messages used by each operation to communicate with the web service, and their format.
● A concrete WSDL document adds the information about how the web service communicates and where you can reach it. A concrete WSDL document contains the abstract WSDL definitions, and also defines:
the communication protocols and data encodings used by the web service.
The port address that must be used to contact the web service.
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