Basic HTML version of Foils prepared August 16 99

Foil 15 Technical Assumptions

From Overview of Gateway Project DoD MetaSystems Workshop Charlottesville Va. -- August 11-13 99. by Geoffrey C. Fox, Bill asbury, Ken Flurchick, Tom Haupt


1 User Interface will be through a Web Browser and be dynamic (generated server side) or static XML documents rendered as HTML
2 Commodity systems built from integration of Distributed Object and Web technologies
3 CORBA, Java, COM, W3C have approaches that differ in detail but we can use any of these if define object structures in XML and map to implementation (which was Java and is now CORBA but using component model based on Javabeans)
4 One can avoid performance problems in CORBA by using proxies so that control and implementation separated
  • Implies a multi-tier architecture
  • Our component model defines proxies -- not HPC resources

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