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There is a complexity in managing "state" in SOA applications, said Oracle's Dave Chapell. Short term SOA is "stateless," if you are building longevity into your SOA, it is "stateful." The more complexity you have, the more "stateful" the SOA.

SOA today requires that people set levels for the state of their SOA, Dave said.

But first, a step back:

What were we supposed to get from SOA?

-- An IT Management paradigm shift

-- Business Agility

-- Flexibility

Dave said an enterprise-class SOA grid provides state-aware continuous availability for serivce-infrastructure, application data and logic.

You need predictable scalability, dramatic overall increase in performance and throughput, and reduced operation cost (less flavors of servers to deploy). An SOA grid provides primary and backup synchronization.

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