By Michael Papazoglou
The new version of this bestselling publication bargains a entire and recent remedy of net providers and repair orientated structure (SOA), providing you with all you must comprehend to achieve an outstanding origin during this area.
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The recent variation of this bestselling booklet bargains a finished and recent remedy of net providers and repair orientated structure (SOA), providing you with all you want to be aware of to achieve a superior starting place during this sector.
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Additional resources for Web services : principles and technology
Complex (or composite) services typically involve the assembly and invocation of many pre-existing services possibly found in diverse enterprises to complete a multi-step business interaction. Consider for instance a supply-chain application involving order taking, stocking orders, sourcing, inventory control, financials, and logistics. Numerous document exchanges will occur in this process including requests for quotes, returned quotes, purchase order requests, purchase order confirmations, delivery information, and so on.
In that sense, service technology is “virtualization technology” abstracting collections of potentially very different implementations of a particular piece of functionality into a single service. ” This paradigm assumes that complete systems are built based on services. A new architectural style called “service oriented architecture (SOA)” defines the actors participating in a service oriented computing environment, defines their relations, and shows their interactions in order to result in complete systems.
WSDL does not include any technology details of the implementation of a Web service. The service requestor neither knows nor cares whether the service is implemented in a programming language such as Java, C#, C, and so on. As long as the Web service can handle SOAP messages, it does not matter which platform the service is developed and implemented on. 5 where we distinguish between the service interface and service implementation sections of a service definition. 8 Service usage context In addition to the types and characteristics of Web services mentioned above it also useful to divide information services into different categories based on the Web service requestor’s perspective.
Web services : principles and technology by Michael Papazoglou