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Service Oriented Architecture For Dummies®, 2nd Edition by Fern Halper, Marcia Kaufman, Robin Bloor, Judith Hurwitz

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Chapter 1

Getting to Know SOA

In This Chapter

Finding out why you should care about SOA

Liberating business from the constraints (and tyranny) of technology

Illustrating the need for SOA

Saving bundles by using what you have

Expanding your SOA to customers, partners, and suppliers

Focusing on function

Service oriented architecture (SOA) is a hot topic being bandied about by IT vendors across the globe. IBM, Hewlett-Packard, Software AG, Oracle, SAP, and Microsoft (just to drop a few names) are all singing from the SOA songbook, and hundreds of vendors are adding their tunes as we speak.

“What’s SOA?” you ask. We suspect that you’ve already skimmed a dozen articles and read (or deleted) hundreds of e-mails from vendors pushing SOA, but the answers you’ve gotten so far have been, well, vague and inadequate.

The short answer is that SOA is a business approach to building IT systems that allows businesses to

Leverage existing assets

Create new ones

Easily enable the inevitable changes required to support the business

For you impatient readers out there, we expand on this short answer in Chapter 5. However, right now, we think the more important question is, “Why should I care about SOA?” In this chapter, we try to answer this question.

The promise of service oriented architecture is to liberate business from the constraints of technology, unshackling technologists and business leaders from the chains they themselves have forged. (“IT workers of the world, unite! You have nothing ...

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