Not at all. SOA is really nothing new, we've been working on that approach since the CORBA days. What is new is the new technology we are tossing at the problem. While the technology vendors will come and go, the core architecture is valuable, and will find it's way into most enterprises in the near future. So, in summary, the vendors will come, go and merge, but the notion of SOA is old, and we have a long way to go to solve that problem.
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