1.4 Relationship to Other Protocols
COMT is built on top of DCOM [MS-DCOM].
The COM+ Remote Administration Protocol [MS-COMA] also provides functionality for obtaining run-time information about instance containers. COMT makes this functionality obsolete by enabling clients to obtain a richer set of information, and by providing a push model.
Client applications that want to receive notifications via the push model also need to use another protocol, such as the Component Object Model Plus (COM+) Event System Protocol [MS-COMEV], to first register the COMT callback interface.