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Service-oriented Architectures with Web Services

SOA with WS

1st Preface

2nd Preface

4th Preface


Welcome to the Homepage of Service-oriented Architectures with Web Services.

On these pages, We will present a variety of information on SOA, Web Services, and our book.
You will find parts of the book for reading, answers to questions regarding the book, and a possibility to send us comments.
The most important facts:
  • Service-orientierte Architekturen mit Web Services
  • ISBN Hardcover 978-3827425492 and ISBN Softcover 978-3-8274-2519-5
  • Date of publication 1st edition 7. September 2005
  • Date of publication 2nd edition 23. April 2007
  • Date of publication 3rd edition 21. May 2008
  • Date of publication 3rd edition softcover November 2009
  • Date of publication 4th edition 22. April 2010
  • 415 pages including 85 pictures
  • Price 39.50 Euro

Preface by Klaus Birkenbihl, head of the German-Austrian W3C-Bureau.

Preface for the second edition by Prof. Dr. Frank Leymann, director of the Institute of Architecture of Application Systems at the University of Stuttgart.

Preface for the forth edition by Prof. Dr. Stefan Tai, director at the Research Center for Information Technology in Karlsruhe.


Service-oriented Architectures (SOA) have the potential to be the next important paradigm of computer science and to be one successor of object-oriented programming. Just as OO offered a higher level of abstraction compared to procedural programming, SOA will offer a more abstract point of view to very complex systems. This will enable users and developers to manage the increased complexity and to develop flexible, secure, and reusable architectures. At the same time, SOA allows the implementation of partner integration and transparently connecting their IT-systems. This has been a critical and challenging requirement for many companies over the last years. Due to the fact that the costs for proprietary integration-solutions are constantly increasing quickly, the demand for concepts which are independent of the involved platforms and languages is significantly growing.

However, SOA is just an abstract concept. Just as it is possible to have many instances of a class in the object-oriented world, there are many different implementations of a SOA possible. The by far most promising approach is Web Services. In addition to the theoretical basics, many extensive specifications have been written and implementations of the important parts are already available. Therefore, the majority of the concepts can be evaluated based on Web Services - independent of the programming language and the used platform, because Web Services are 100% based on XML and (at least up to now) free of proprietary parts. This is a fact which has probably been a necessary precondition for the success of Web Services. It also illustrates why Web Services are an ideal technic to implement integration solutions.


SOA is not just another buzzword, but rather a development which will leave deep footprints that will be visible for a long period of time. Therefore, a lot of effort has been spent to avoid dependencies on specific version, implementations, or other short-lived developments. The focus has rather been on presenting the essential concepts behind the buzzwords.

Also, long and detailed introductions into the basic principles that lead to SAO have been left out. In this process, a longer presentation of XML has been deleted. However, citations of adequate books and references have been added in the according sections to allow readers to quickly close possible gaps.

Who should read this book?

Service-orientierte Architectures with Web Services has been written with the requirements of architects and developers in mind. It offers IT-experts and managers as well as students a profound basis. The goal is to impart knowledge to build lasting foundation - it is therefore no programming reference.

If it your goal to get a wider understanding about the processes and activities taking place in a service-oriented architecture, this book will do a great job for you.

The Authors

Dr. Ingo Melzer is head of the customer management and integration team at Daimler Financial Services. He is the representative of Daimler Research at the W3C and has been working on Web Services standardization.
Dipl. Wirt.-Inf. (BA) Sebastian Eberhard is working as a consultant. He is co-author or the XML & Co book and is especially interested in SLA for Web Services.
Dipl. Inf. (FH) Barbara Rudolph is working as engineering consultant for BERATA GmbH in Munich. She has been involved in the standardization of WSDL.
Dr. Alexander Hilliger von Thile studied in Kaiserslautern with focus on databases and is now working at Daimler on Web 2.0 related topics.
Dr. Marcus Flehmig received a Ph. D. from the University of Kaiserslautern for his work on XML-based dataintegration concepts and system architectures. In 2005 he started to work for Daimler.
Dr. Peter Tröger is a researcher on reliability of multi-core-systems. He used to work on dynamic resource allocation in distributed service-oriented environments.
Dipl. Inf. Patrick Sauter has written his Diploma thesis on Web-Services-Transactions at DaimlerChrysler and is now working for Volkswagen Consulting in Wolfsburg.
Dipl. Inf. Boris Stumm has been a Ph. D. student at the Universität of Kaiserslautern and is now working for teckpro.
Dipl. Wirt.-Inf. (FH) Jochen Vajda wrote his thesis in the context of web services and is now working for Daimler as an IT project manager.
Dr. Wolfgang Dostal is working as an IT-architect. He is involved in implementing Web-Services-architectures and interoperability problems.
Prof. Mario Jeckle has been teaching at the Fachhochschule Furtwangen. He has been active for DaimlerChrysler at the development of fundamental Web-Service-Standards of the W3C.

Comments, Opinions, Questions, and Errata

No book if free of mistakes.

If you find one or if you have any other comments, please contact us by email.

More about SOA and Web Services

Dr. Ingo Melzer
Ingo Melzer, last update on May 6th, 2010
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