A data communication network typically covering the geographic area of a city; a communications network that is usually larger than a LAN but smaller than a WAN. See CAN, LAN, WAN.
A network service that provides high speed and low delay over a metropolitan area and initial B-ISDN-like services; the Switched Multimegabit Data Service is one such MAN offering that uses cell relay transport. This category includes the networks up to 100 km. (e.g. FDDI.)
See under local area network.