Middleware is heterogenous too

CORBA (Common Object Request Broker)
- IBM SOM, DSOM, IONA, Visigenix
- Xerox ILU (InterLanguage Unification)
DCE - (Open Systems Consortium)
- SunSoft DOE (Distributed Objects Env.)
OLE, ActiveX, DCOM, DNA (Microsoft)
DOME
EZ-bridge
- System Strategies inc.
ISIS
KQML (Knowledge Query & Manipulation Lang.)
MQM (Message Queing Middleware)
- IBM (for mainframe connections)
OpenDOC (Apple)
PDES (Product Data Interchange using STEP)
TIB (Teknekron Information Bus)

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