SOA and the reuse of existing services

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Aug. 13, 2007

Fujitsu addresses some of the factors facing organisations today in terms of adopting SOA, in particular in drawing attention to the fact that a registry is the linchpin for achieving reuse of existing services.

Fujitsu just published a twenty-one page document on SOA.

The document seems to suggest that "the good news is SOA is an incremental architecture, so you can scale your road map to SOA project by project and yet still deliver compelling ROI that accrues as you enable more services within your SOA."

"The question becomes one of how many services and how many users of those services are required to trigger the accelerated model of increasing returns. And what technical factors are most important to achieving the SOA network effect?

What organization and cultural factors will facilitate the SOA network effect?

Let’s explore some technical and cultural/ organizational factors that can facilitate achieving the SOA network effect."

"Overall, SOA does threaten entrenched enterprise software application vendors unless they have embraced Web services and SOA as well. Beware of their desperate attempts to market themselves as an SOA or Web services solution. Perform due diligence to make sure."

"Evaluate their ability to interface to your enterprise systems using Web services. Do a detailed evaluation of how their application functionality is exposed as services to the outside world as well as their ability to consume services."

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Source: Web Services.org

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