Enterprise Service Bus (Paperback)

David Chappell

  • 出版商: O'Reilly
  • 售價: $1,290
  • 貴賓價: 9.5$1,226
  • 語言: 英文
  • 頁數: 352
  • 裝訂: Paperback
  • ISBN: 0596006756
  • ISBN-13: 9780596006754
  • 已絕版

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Description:

Large IT organizations increasingly face the challenge of integrating various web services, applications, and other technologies into a single network. The solution to finding a meaningful large-scale architecture that is capable of spanning a global enterprise appears to have been met in ESB, or Enterprise Service Bus. Rather than conform to the hub-and-spoke architecture of traditional enterprise application integration products, ESB provides a highly distributed approach to integration, with unique capabilities that allow individual departments or business units to build out their integration projects in incremental, digestible chunks, maintaining their own local control and autonomy, while still being able to connect together each integration project into a larger, more global integration fabric, or grid.

Enterprise Service Bus offers a thorough introduction and overview for systems architects, system integrators, technical project leads, and CTO/CIO level managers who need to understand, assess, and evaluate this new approach. Written by Dave Chappell, one of the best known and authoritative voices in the field of enterprise middleware and standards-based integration, the book drills down into the technical details of the major components of ESB, showing how it can utilize an event-driven SOA to bring a variety of enterprise applications and services built on J2EE, .NET, C/C++, and other legacy environments into the reach of the everyday IT professional.

With Enterprise Service Bus, readers become well versed in the problems faced by IT organizations today, gaining an understanding of how current technology deficiencies impact business issues. Through the study of real-world use cases and integration patterns drawn from several industries using ESB--including Telcos, financial services, retail, B2B exchanges, energy, manufacturing, and more--the book clearly and coherently outlines the benefits of moving toward this integration strategy. The book also compares ESB to other integration architectures, contrasting their inherent strengths and limitations.

If you are charged with understanding, assessing, or implementing an integration architecture, Enterprise Service Bus will provide the straightforward information you need to draw your conclusions about this important disruptive technology.

 

Table of Contents:

Foreword

Preface
1. Introduction to the Enterprise Service Bus

     SOA in an Event-Driven Enterprise

     A New Approach to Pervasive Integration


     SOA for Web Services, Available Today

     Conventional Integration Approaches

     Requirements Driven by IT Needs

     Industry Traction

     Characteristics of an ESB

     Adoption of ESB by Industry

2. The State of Integration

     Business Drivers Motivating Integration

     The Current State of Enterprise Integration

     Leveraging Best Practices from EAI and SOA

     Refactoring to an ESB

3. Necessity Is the Mother of Invention

     The Evolution of the ESB

     The ESB in Global Manufacturing

     Finding the Edge of the Extended Enterprise

     Standards-Based Integration

     Case Study: Manufacturing

4. XML: The Foundation for Business Data Integration

     The Language of Integration

     Applications Bend, but Don't Break

     Content-Based Routing and Transformation

     A Generic Data Exchange Architecture

5. Message Oriented Middleware (MOM)

     Tightly Coupled Versus Loosely Coupled Interfaces

     MOM Concepts

     Asynchronous Reliability

     Reliable Messaging Models

     Transacted Messages

     The Request/Reply Messaging Pattern

     Messaging Standards

6. Service Containers and Abstract Endpoints

     SOA Through Abstract Endpoints

     Messaging and Connectivity at the Core
     Diverse Connection Choices

     Diagramming Notations

     Independently Deployable Integration Services

     The ESB Service Container

     Service Containers, Application Servers, and Integration Brokers

7. ESB Service Invocations, Routing, and SOA

     Find, Bind, and Invoke

     ESB Service Invocation

     Itinerary-Based Routing: Highly Distributed SOA

     Content-Based Routing (CBR)

     Service Reusability

     Specialized Services of the ESB

8. Protocols, Messaging, Custom Adapters, and Services

     The ESB MOM Core

     A Generic Message Invocation Framework

     Case Study: Partner Integration

9. Batch Transfer Latency

     Drawbacks of ETL

     The Typical Solution: Overbloat the Inventory

     Case Study: Migrating Toward Real-Time Integration

10. Java Components in an ESB

     Java Business Integration (JBI)

     The J2EE Connector Architecture (JCA)

     Java Management eXtensions (JMX)

11. ESB Integration Patterns and Recurring Design Solutions

     The VETO Pattern

     The Two-Step XRef Pattern

     Portal Server Integration Patterns

     The Forward Cache Integration Pattern

     Federated Query Patterns

12. ESB and the Evolution of Web Services

     Composability Among Specifications

     Summary of WS-* Specifications

     Adopting the WS-* Specifications in an ESB

     Conclusion

Appendix: List of ESB Vendors

Bibliography

Index