This glossary supports the following titles:
SOA: Principles of Service Design (ISBN: 01323 44823, Prentice Hall)
Service-Oriented Architecture: Concepts, Technology, and Design (ISBN: 0131858580, Prentice Hall)
Service-Oriented Architecture: A Field Guide to Integrating XML & Web Services (ISBN: 0131 428985, Prentice Hall)
For more information about this book series, visit: www.soabooks.com
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Web service
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A Web service is a body of solution logic that provides a physically decoupled technical contract consisting of a WSDL definition, an XML schema definition, and possibly a WS-Policy definition. This service contract exposes public functions (called operations) and is therefore comparable to a traditional application programming interface (API).
The logic encapsulated by a Web service does not need to be customized or component-based. Legacy application logic, for example, can be exposed via Web service contracts through the use of service adapter products. When custom-developed, Web service logic is typically based on the use of modern component technologies, such as Java and .NET. In this case, the components are further qualified as core service logic.
See also:
- component
- core service logic
- message processing logic
- service
- service agent
- service contract
- service operation
- service-orientation
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