Functional Principle

Web services are applications using open and XML-based standards and transport protocols for exchanging data with clients.

Providing and requesting Web Services

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Service providers provide descriptions of their Web Services as WSDL file. The WSDL file describes the operations, data and exchange protocols the Web Service offers. This information is machine-readable.

Based on this WSDL file service consumers create a SOAP request in order to access one of the Web Service’s operations.

The Web Service processes the SOAP request and returns the result as SOAP response to the service consumer.

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