Web Services: Concepts, Architectures and Applications (Data-Centric Systems and Applications)

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9783642078880: Web Services: Concepts, Architectures and Applications (Data-Centric Systems and Applications)
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Like many other incipient technologies, Web services are still surrounded by a substantial level of noise. This noise results from the always dangerous combination of wishful thinking on the part of research and industry and of a lack of clear understanding of how Web services came to be. On the one hand, multiple contradictory interpretations are created by the many attempts to realign existing technology and strategies with Web services. On the other hand, the emphasis on what could be done with Web services in the future often makes us lose track of what can be really done with Web services today and in the short term. These factors make it extremely difficult to get a coherent picture of what Web services are, what they contribute, and where they will be applied.

Alonso and his co-authors deliberately take a step back. Based on their academic and industrial experience with middleware and enterprise application integration systems, they describe the fundamental concepts behind the notion of Web services and present them as the natural evolution of conventional middleware, necessary to meet the challenges of the Web and of B2B application integration.

Rather than providing a reference guide or a "how to write your first Web service" kind of book, they discuss the main objectives of Web services, the challenges that must be faced to achieve them, and the opportunities that this novel technology provides. Established, as well as recently proposed, standards and techniques (e.g., WSDL, UDDI, SOAP, WS-Coordination, WS-Transactions, and BPEL), are then examined in the context of this discussion in order to emphasize their scope, benefits, and shortcomings. Thus, the book is ideally suited both for professionals considering the development of application integration solutions and for research and students interesting in understanding and contributing to the evolution of enterprise application technologies.

Klappentext:

Like many other incipient technologies, Web services are still surrounded by a tremendous level of noise. This noise results from the combination of wishful thinking on the part of research and industry and a lack of clear understanding of how Web services came to be. These factors make it extremely difficult to get a coherent picture of what Web services are, what they contribute, and where they will be applied.

Based on their academic and industrial experience in middleware and enterprise application integration, Alonso and his co-authors clarify the fundamental concepts behind Web services and present them as the natural evolution of conventional middleware necessary to meet the challenges of the Web and of B2B application integration. From this perspective, it becomes clear why Web services are needed and how this technology addresses such needs.

Rather than providing a reference guide or a manual on how to write a Web service, the authors discuss challenges and solutions that will remain relevant regardless of how emerging standards and technologies evolve. Thus, this book is ideally suited for both professionals involved in application integration projects and researchers and students interested in understanding and contributing to the evolution of application integration technologies.

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