Web Service Contract Design and Versioning for SOA

by Erl, Thomas; Karmarkar, Anish; Walmsley, Priscilla; Haas, Hugo; Orchard, David Umit; Liu, Kevin; Yalcinalp, L. Umit, Ph.D.; Tost, Andre; Pasley, James

• ISBN13: 9780132715881
• ISBN10: 0132715880
• Edition: 1st
• Copyright: 2008-09-24
• Publisher: PEARSO

Summary

The Ultimate Guide for Designing and Governing Web Service Contracts

 

For Web services to succeed as part of SOA, they require balanced, effective technical contracts that enable services to be evolved and repeatedly reused for years to come. Now, a team of industry experts presents the first end-to-end guide to designing and governing Web service contracts. Writing for developers, architects, governance specialists, and other IT professionals, the authors cover the following areas: 

• Understanding Web Service Contract Technologies 
• Fundamental and Advanced WSDL 
• Fundamental and Advanced XML Schema 
• Fundamental and Advanced WS-Policy
• Fundamental Message Design with SOAP 
• Advanced Message Design with WS-Addressing
• Advanced Message Design with MTOM, and SwA 
• Versioning Techniques and Strategies
• Web Service Contracts and SOA

Author Biography

Thomas Erl is the world’s top-selling SOA author, Series Editor of the Prentice Hall Service-Oriented Computing Series from Thomas Erl, and Editor of the SOA Magazine (www.soamag.com). With over 100,000 copies in print world-wide, his books have become international bestsellers and have been formally endorsed by senior members of major software organizations, such as IBM, Microsoft, Oracle, BEA, Sun, Intel, SAP, and HP.

 

His most recent titles SOA Design Patterns (www.soapatterns.com) and Web Service Contract Design and Versioning for SOA were co-authored with a series of industry experts and follow his first three books Service-Oriented Architecture: A Field Guide to Integrating XML and Web Services, Service-Oriented Architecture: Concepts , Technology , and Design, and SOA: Principles of Service Design (www.soaprinciples.com). Thomas is the founder of SOA Systems Inc. (www.soasystems.com), a company specializing in SOA consulting and training services with a vendor-agnostic focus. Thomas is also the founder of the internationally recognized SOA Certified Professional program (www.soacp.com and www.soaschool.com). Thomas is a speaker and instructor for private and public events, and has delivered many workshops and keynote speeches. Articles and interviews by Thomas have been published in numerous publications, including The Wall Street Journal.

 

For more information, visit: www.thomaserl.com.

 

Table of Contents

Foreword xxxv

Preface xxxvii

Chapter 1: Introduction 1

Chapter 2: Case Study Background 17

 

Part I: Fundamental Service Contract Design 21

Chapter 3: SOA Fundamentals and Web Service Contracts 23

Chapter 4: Anatomy of a Web Service Contract 49

Chapter 5: A Plain English Guide to Namespaces 81

Chapter 6: Fundamental XML Schema: Types and Message Structure Basics 117

Chapter 7: Fundamental WSDL Part I: Abstract Description Design 167

Chapter 8: Fundamental WSDL Part II: Concrete Description Design 197

Chapter 9: Fundamental WSDL 2.0: New Features and Design Options 225

Chapter 10: Fundamental WS-Policy: Assertions, Expressions, and Attachments 241

Chapter 11: Fundamental Message Design: SOAP Envelope Structure, Fault Messages, and Header Processing 271

 

Part II: Advanced Service Contract Design 307

Chapter 12: Advanced XML Schema Part I: Message Flexibility, Type Inheritance, and Composition 309

Chapter 13: Advanced XML Schema Part II: Reusability, Relational Design, and Industry Schemas 353

Chapter 14: Advanced WSDL Part I: Modularization, Extensibility, MEPs, and Asynchrony 395

Chapter 15: Advanced WSDL Part II: Message Dispatch, Service Instance Identification, and Non-SOAP HTTP Binding 445

Chapter 16: Advanced WS-Policy Part I: Policy Centralization and Nested, Parameterized, and Ignorable Assertions 485

Chapter 17: Advanced WS-Policy Part II: Custom Policy Assertion Design, Runtime Representation, and Compatibility 517

Chapter 18: Advanced Message Design Part I: WS-Addressing Vocabularies 549

Chapter 19: Advanced Message Design Part II: WS-Addressing Rules and Design Techniques 569

 

Part III: Service Contract Versioning 597

Chapter 20: Versioning Fundamentals 599

Chapter 21: Versioning WSDL Definitions 617

Chapter 22: Versioning Message Schemas 657

Chapter 23: Advanced Versioning 689

 

Part IV: Appendices 719

Appendix A: Case Study Conclusion 721

Appendix B: How Technology Standards are Developed 725

Appendix C: Alphabetical Pseudo Schema Reference 729

Appendix D: Namespaces and Prefixes Used in this Book 747

Appendix E: SOA Design Patterns Related to this Book 751

 

About the Authors 763

Index 769