Telecom network is one form of network, primarily aiming for providing various data communication services of a high public nature (phone, broadcasting, etc.). Telecom networks are typically owned and operated by telecom carriers; long haul, metro, and access networks generally belong to telecom networks.

Datacom network is another form of network, primarily aiming for providing a relatively private means of data communication [such as Local Area Network (LAN) and Storage Area Network (SAN)].