DCOM Vs CORBA

March 10, 2008 at 3:35 pm (COM, CORBA, Unit 5) (COM, CORBA)

Differences	DCOM	CORBA
Focus	Desktop first; enterprise second	Enterprise first; desktop second
Platforms	Windows NT; support for Windows (all), Macintosh, UNIX, MVA	MVS, UNIX, Windows (all), Macintosh
Availability	Single vendor; availability from other vendors expected	Multi-vendor
Service differences	ActiveX-interactive content standard	Significant number of additional services, including query, trader, transactions, as well as facilities in the areas of information management and system management. Lastly, services in areas such as finance, distributed simulation, and computer integrated manufacturing
Maturity	NT shipped in 1996; decade-long evolution of OLE and COM products; most services and facilities under construction	Products since 1992; many services and facilities under construction
Language Binding	C, C++; working on JAVA, Visual Basic, Ada	C++, Smalltalk, Ada95; JAVA and COBOL
Interface Inheritance	Supports aggregation but not inheritance; interfaces are not classes.	Multiple Inheritance; interfaces are classes.