Architectural Approaches, Concepts and Methodologies of
Service Oriented Architecture
Master Thesis
submitted in partial satisfaction of the requirements for the degree of Master of Science in Information and Media Technologies
by
Selda Güner
Submitted to:
Prof. Dr. Joachim W. Schmidt
Supervised by:
Dip. Inf. Rainer Marrone Software System Institute Technical University Hamburg Harburg
Hamburg, Germany 4 August 2005
Declaration I hereby declare that I am the author of this thesis, and all literally or content related quotations from other sources are clearly pointed out and no other sources rather than the ones declared are used.
Selda Güner Hamburg, Germany 4 August 2005 [Signature]
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Acknowledgement I would like to thank Prof. Dr. Joachim W. Schmidt of Software System Institute (STS) for giving the opportunity to work on this Master Thesis. As well, I would like to thank Dipl. Inf. Rainer Marrone for supervising this thesis and his kind, essential advice, encouragement and guidance throughout this work. I would particularly like to thank Dipl. Inf. Patrick Hupe of STS for his kindness and providing advice during the project. His guidance was great for me, and I am glad that I have found the opportunity to have thoughtful conversations with him regarding my project implementation. I have special thanks to my parents for all their continuous support throughout my educational studies. They have been always kind, caring and patient with me, which gave me the strength to successfully finish my studies.
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Table of Content
Abstract…………………………………………………………………………………. vi List of Figures………………………………………………………………………….. vii List of Tables…………………………………………………………………………… ix 1. Introduction………………………………………………………………………..... 1 1.1 Motivation…………………………………………………………………….…..… 2 1.2 Objectives…………………………………………………………………………… 3 1.3 Structure of Thesis…………………………………………………………………... 4 2. Introduction to Service Oriented Architecture……………………………………. 5 2.1 Evolution of Computing Systems……………………………………………..……. 6 2.2 Object Oriented Development…………………………………………………........ 9 2.3 Component Oriented Development…………………………………………………. 11 2.4 Distributed Computing………………………………………………………………. 12 2.4.1 Remote Procedure Call (RPC)…………………………………………….. 14 2.4.2 Distributed Objects………………………………………………………... 15 2.4.3 Message Oriented Middleware (MOM)……………………………..…..... 15 2.5 Definition of Service Oriented Architecture (SOA)……………………………….. 16 2.5.1 SOA Entities and Characteristics………………………………………….. 17 2.5.2 Service Oriented Development…………………………………………..... 20 2.5.3 SOA Layered Architecture………………………………………………... 22 3. Technologies for Service Oriented Architecture………………………………….. .25 3.1 J2EE…………………………………………………………………………………. 25 3.1.1 Java Message Service (JMS)…………………………………………….… 26 3.1.2 Remote Method Invocation (RMI)………………………………………... 28 3.2 COM / DCOM………………………………………………………………………. 30 3.3 CORBA………………………………………………………………………..……. 31 3.4 Web Services……………………………………………………………………….... 33 3.5 Feature Based Comparison of Technologies………………………………………… 37 4. Service Orientation in Software Design and Development……………………….. 43 4.1 Service Oriented Design…………………………………………………………….. 43 4.1.1 Service Design Considerations……………………………………………. 44 4.2 SOA Meta Model……………………………………………………………………. 48 4.3 Service Oriented Modeling………………………………………………………….. 49

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