Basic HTML version of Foils prepared Sept 21 1998

Foil 22 Computing Services at 3 levels

From Introduction to Java Tutorial Aimed at Scientific Users NAVO Tutorial -- Sept 23 1998. by Geoffrey C. Fox
1 1:User View: Interoperable Web Interface accessing services through Java Compute Services Framework 2:Network of Java Servers provide distributed services to databases, compute engines, collaboratories, object brokers, instruments
  • All control at this level
  • Some coarse grain computing
2 Back end "Number Crunchers" linked either by communication at level 2 (slowish but easy) or at level 3 (high performance but more work)
3 Compute processes linked either to servers or together by MPI if parallel
4 Java Servers
in Table To:

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