COM+(An extension of the COM (Component Object Model) programming architecture that includes a run-time or execution environment and extensible services, including transaction services, security, load balancing, and automatic memory management)
COM(An object-based programming model designed to promote software interoperability; it allows two or more applications or components to easily cooperate with one another, even if they were written by different vendors, at different times, in different programming languages, or if they are running on different computers running different operating systems)
