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Book Excerpt: Exploring IBM SOA Technology & Practice

Learn all about IBM's SOA Entry Points, a simple but effective vendor-neutral approach for discovering and developing services a few at a time.


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ervice-oriented architecture (SOA) is rapidly becoming popular as an approach for developing business applications that more effectively produce business value. Organizations adopting SOA often find that the most difficult part is simply getting started. In this excerpt from Exploring IBM SOA Technology & Practice, Bobby Woolf introduces IBM's SOA Entry Points, a simple but effective vendor-neutral approach for discovering and developing services a few at a time. With this process, an organization can get started with SOA easily, and quickly be on its way to SOA success.

Reproduced from the new book, Exploring IBM SOA Technology & Practice, authored by Bobby Woolf, by permission of Maximum Press. ISBN 978-0-9773569-4-2. Copyright 2008 by Maximum Press. All rights reserved. For more information please visit: www.maxpress.com.

Introduction
The IBM SOA Entry Points are five specific approaches for getting started with SOA. They enable an organization to get started discovering and developing services a few at a time. They are distinct and consumable starting points requiring a limited set of products and skills to get started.



Three of the SOA entry points are business-centric, applying directly to the tasks businesses perform to produce value for customers. These business-centric entry points are:

  • People – Productivity though people collaboration
  • Process – Business process management for continuous innovation
  • Information – Delivering information as a service

The remaining two SOA entry points are IT-centric. They are not as immediately recognizable by business people, but they help to integrate and reuse the business-centric SOA services. They are also technology-focused approaches IT can use to get started with SOA. These IT-centric entry points are:

  • Reuse – Creating reusable functionality
  • Connectivity – Underlying connectivity to support business-centric SOA

The entry points are distinct but can be used in combination. They are techniques to use to discover what services are needed and to develop those services. They're ways to look at the requirements for applications and business capabilities and figure out what services are needed.

Let's explore the entry points in detail.



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