(Basic Service Set) A single Wi-Fi access point and the wireless devices that connect to it. An IBSS (Independent Basic Service Set) refers to two Wi-Fi devices directly connected without an access point in between. See ESS and 802.11.
A carrier exchange switch capable of switching and transport at broadband speeds. A BSS typically supports multiple broadband ports with fiber optic interfaces and a highly redundant internal switching matrix. See also broadband, carrier, exchange, fiber optics, port, switch, and switch matrix.