Encapsulate services (from databases to instruments to MPP's) as tier 2 distributed objects using an approach that will evolve to COM/CORBA in future but is deployable today
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JDBC (Java Database Connectivity) links to databases
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(Java) web server interfaces to compute modules using Javabean visual interfaces
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This already gives you an approach to seamless access and a framework for composing complex metaproblems by linking programs together or programs to databases
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Habanero or Tango allow you to share objects to give
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Collaborative Program Development
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Collaborative Visualization
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Collaborative Computational Steering and/or Planning
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