SOA Principles of Service DesignPaperback Engels 2016 9780134695518
The Definitive Guide to Service Engineering
The key to succeeding with service-oriented architecture (SOA) is in comprehending the meaning and significance of its most fundamental building block: the service. It is through an understanding of service design that truly “service-oriented” solution logic can be created in support of achieving the strategic goals associated with SOA and service-oriented computing. Bestselling SOA author Thomas Erl guides you through a comprehensive, insightful, and visually rich exploration of the service-orientation design paradigm, revealing exactly how services should and should not be designed for real-world SOA.
This book’s in-depth coverage includes
- Over 240 full-color illustrations.
- A concise introduction to SOA and service-oriented computing concepts and benefits.
- A thorough exploration of the service-orientation design paradigm as represented by eight specific design principles.
- A comparison of service-oriented and object-oriented concepts and principles and a clear definition of what qualifies as “service-oriented” logic.
- Detailed coverage of four different forms of service-related design granularity.
- An exhaustive examination of service contracts, with an emphasis on standardization, abstraction, and the utilization of WS-Policy, XML Schema, and WSDL definitions.
- A comprehensive study of positive and negative service-related coupling types with an emphasis on the requirements to attaining a suitable level of loose coupling.
- An inside look into how commercial design approaches are incorporated to achieve truly agnostic and reusable service logic.
- Techniques for maximizing service reliability, scalability, and performance by instilling high levels of autonomy and emphasizing stateless design.
- Approaches for positioning services as highly discoverable and interpretable enterprise resources.
- Unprecedented coverage of how to design services for participation in complex compositions.
- The definition of concrete links between each design principle and the strategic goals and benefits of SOA and service-oriented computing.
- Numerous cross-references to key design patterns documented separately in SOA: Design Patterns.
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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
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
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