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SOA's best when business pulls the strings



David Rubinstein
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April 15, 2010 —  (Page 1 of 5)
SOA—the idea of a service-oriented architecture for software applications—has undergone a more quiet rate of adoption since its heyday in the hype cycle.

“The SOA story has certainly died down,” said Jason Bloomberg, analyst at ZapThink. “It’s not as sexy as it used to be. That means people are getting it right.”

SOA adoption faced many hurdles. First and foremost was getting buy-in from upper management for a SOA initiative. IT people who understood the benefit of moving to a service architecture were presenting it to management as a technology imperative.

“The thing taken to management for funding was the promise of a SOA world. It should not have been exposed as the goal; it’s the means to achieve other goals,” said Michael Rowley, CTO of business process software provider Active Endpoints.

Along with the misconception that creating a SOA is a goal unto itself is the assumption that you have to move to the architecture as one holistic effort. It can be done in steps, experts say, with the understanding that its business value increases with the size of the implementation.

“The goal is to make all the assets of enterprise available as services,” Rowley said. “Even if you get there incrementally, it’s more and more valuable” as you service-enable more application data and business logic.

As a software provider, “we don’t lead into the marketplace with a SOA message. We go in with connection technologies and environments,” said Glenn Johnson of Magic Software, which sells integration software.

“It’s about the business process, not necessarily the tools. As a vendor, maybe I shouldn’t say that. But you justify the architecture with point-to-point solutions. It’s like a Trojan horse that you can then apply to an overall architecture strategy.”

Moving to a SOA is, in fact, a business decision, not an IT decision, according to HP distinguished technologist E.G. Nadhan. And, it’s not always an application conversion exercise; often, organizations simply want to integrate their so-called legacy applications into a larger, more up-to-date software portfolio via services.



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