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CORBA & DCOM, CORBA, DCOM - Coggle Diagram
CORBA & DCOM
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Simplified CORBA Communication Flow :
- Client → Stub → ORB → Network (IIOP) → Server ORB → Skeleton → Server Object
(+) : platform independence
- language independence
- scalability
- distributed object communication
- integration of heterogeneous systems
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Distributed Component Object Model is Microsoft’s distributed middleware technology extending COM for remote communication. / introduced with windows NT
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Main Components :
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SCM (Service Control Manager) : Responsible for: object activation / localization / lifecycle management
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DCOM main services provides : authentication / authorization / secure communication / remote object management / memory management / marshaling/unmarshaling of data
(+) : strong Windows integration
easy development in Microsoft environments
optimized Windows performance
automatic memory management
(-) Limitations of DCOM :
Windows dependency
difficult firewall configuration
limited Internet interoperability
vendor lock-in (Microsoft ecosystem)
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