Enterprise Service Bus (Paperback)
David Chappell
- 出版商: O'Reilly
- 售價: $1,530
- 貴賓價: 9.5 折 $1,454
- 語言: 英文
- 頁數: 352
- 裝訂: Paperback
- ISBN: 0596006756
- ISBN-13: 9780596006754
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商品描述
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