Middleware Technologies: Component Object Model (COM)
Microsoft’s proprietary component architecture
Windows platform specific
- Standard in the Windows world
Distribution with Microsoft Transaction Server and DCOM
Language independent binary format for components
Offers a subset of CORBA services to components
COM+ will be integrated into Windows 2000
Main differences to CORBA
- Limited platform and language support
- No true location transparency
- Stateless component model
- Security based on Windows NT security