Full-fledged SOA adoption -- and even ESB implementations -- is still only a reality at a minority of companies. However, things may be ready to change, and soon at that.
Adoption of SOA is expected to double over the next two years, according to Evans Data Corporation’s recently released Corporate Development Issues Survey. I authored the final survey report for Evans, in which we concluded that interest in SOA is running at high levels. Close to a quarter of enterprise-level developers indicated that they already have service-oriented architecture in place. Another 28% plan to do so within the next 24 months.
Surprisingly, adoption of enterprise service buses is trailing that of full SOAs -- I had expected ESBs to be in the vanguard of SOA early deployments. Currently, 15% of companies have ESBs in place, a number that will more than double during this same time.
Another finding I've seen in some previous studies is that at least four out of ten corporate developers say Web services approaches (we'll include SOA methodologies in there) will significantly reduce application and systems integration costs as adoption grows. This will provide relief to many organizations, as the survey found that one out of five enterprise run mission-critical applications that are more than a decade old.
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