(1) To transmit to every receiving station within a geographic area. Non-cable TV, FM and AM radio are examples of broadcast networks. Contrast with narrowcast.
(2) To transmit to every node on the network or subnetwork. Broadcasts are common to announce that network resources have been turned on and are available, to advertise services and to make requests for address resolution. See multicast, broadcast traffic, address resolution, ARP, SLP and broadcast domain.
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