Basic HTML version of Foils prepared 21 April 98

Foil 37 Communication Protocol Integration

From General NPAC Foils-98A starting January 98 (PowerPoint) Computational Aerosciences in the 21st Century Hampton VA -- April 23 98. by Geoffrey C. Fox


Need Flexibility of HTTP/RMI/COM/CORBA with performance of systems like MPI
Can use compiler or runtime libraries to map in application (tier 3) which gives greatest performance
More flexible is to map at server (tier 2) when you can access functionality of all mapped protocols
NPAC has built JWORB which is a Java server which supports both the Web and CORBA(distributed object) protocols
  • JWORB supports RTI and so allow one to build Web Tools for FMS/IMT DoD (DMSO) communities (RTI is event driven simulation equivalent of MPI)
  • WebFlow will become an HLA Programming Environment
  • JWORB could support MPI and so link HPCC and DMSO
Commercial systems can bridge COM and CORBA



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