Preface xxv
Chapter 1: Introduction 1
Chapter 2: Case Study Background 19
Part I: Fundamentals
Chapter 3: Service-Oriented Computing and SOA 25
Chapter 4: Service-Orientation 67
Chapter 5: Understanding Design Principles 103
Part II: Design Principles
Chapter 6: Service Contracts (Standardization and Design) 125
Chapter 7: Service Coupling (Intra-Service and Consumer Dependencies) 163
Chapter 8: Service Abstraction (Information Hiding and Meta Abstraction Types) 211
Chapter 9: Service Reusability (Commercial and Agnostic Design) 253
Chapter 10: Service Autonomy (Processing Boundaries and Control) 293
Chapter 11: Service Statelessness (State Management Deferral and Stateless Design) 325
Chapter 12: Service Discoverability (Interpretability and Communication) 361
Chapter 13: Service Composability (Composition Member Design and Complex Compositions) 387
Part III: Supplemental
Chapter 14: Service-Orientation and Object-Orientation: A Comparison of Principles and Concepts 445
Chapter 15: Supporting Practices 477
Chapter 16: Mapping Service-Orientation Principles to Strategic Goals 497
Appendices
Appendix A: Case Study Conclusion 513
Appendix B: Process Descriptions 517
Appendix C: Principles and Patterns Cross-Reference 529
Additional Resources 533
About the Author 535
About the Photos 537
Index 539
A part of Thomas Erl's SOA series, this title is designed to turn IT professionals into "true" SOA professionals. This specifically means turning the reader into someone who has a clear vision of what it means for a software program to be "service-oriented," who can speak about service-oriented computing from a real world perspective, and who approaches the design of services with a deep insight into the dynamics behind service-orientation. The focus of this book is on the design of services for SOA with an emphasis on how design principles can and should be applied to solution logic in order with the ultimate goal of producing high quality services. This guide strives to provide practical, comprehensive, and in-depth coverage of the service-orientation design paradigm, which encompasses the official definition and detailed explanation of eight key principles, each of which is explored in a separate chapter.
Thomas Erl is a best-selling IT author and founder of CloudSchool.com™ andSOASchool.com®. Thomas has been the world's top-selling service technology author for over five years and is the series editor of the Prentice Hall Service Technology Series from Thomas Erl (www.servicetechbooks.com ), as well as the editor of the Service Technology Magazine (www.servicetechmag.com). With over 175,000 copies in print world-wide, his eight published books have become international bestsellers and have been formally endorsed by senior members of major IT organizations, such as IBM, Microsoft, Oracle, Intel, Accenture, IEEE, HL7, MITRE, SAP, CISCO, HP, and others.
Four of his books, Cloud Computing: Concepts, Technology & Architecture, SOA Design Patterns, SOA Principles of Service Design, and SOA Governance, were authored in collaboration with the IT community and have contributed to the definition of cloud computing technology mechanisms, the service-oriented architectural model and service-orientation as a distinct paradigm. Thomas is currently working with over 20 authors on several new books dedicated to specialized topic areas such as cloud computing, Big Data, modern service technologies, and service-orientation.
As CEO of Arcitura Education Inc. and in cooperation with CloudSchool.com™ andSOASchool.com®, Thomas has led the development of curricula for the internationally recognized SOA Certified Professional (SOACP) and Cloud Certified Professional (CCP) accreditation programs, which have established a series of formal, vendor-neutral industry certifications.
Thomas is the founding member of the SOA Manifesto Working Group and author of the Annotated SOA Manifesto (www.soa-manifesto.com). He is a member of the Cloud Education & Credential Committee, SOA Education Committee, and he further oversees theSOAPatterns.org and CloudPatterns.org initiatives, which are dedicated to the on-going development of master pattern catalogs for service-oriented computing and cloud computing.
Thomas has toured over 20 countries as a speaker and instructor for public and private events, and regularly participates in international conferences, including SOA, Cloud + Service Technology Symposium and Gartner events. Over 100 articles and interviews by Thomas have been published in numerous publications, including the Wall Street Journal and CIO Magazine.
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