Component Object Model +
  • A Microsoft creation, which deters some users
    • But this has obvious advantages if you are only using Windows
    • J++ does integrate well with COM objects
  • COM+ includes a transaction and persistence service
    • Comparable to EJB or CORBA/OTS
  • Licensing is free
  • COM is not language specific although C++ is somewhat favoured
  • Tools are fairly mature, IDE wizards, etc.
    • Best integration is with Visual Basic
      • [CORBA could benefit a lot with a similar integration to Java]
  • Like EJB, supports distributed GC

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