The central part of a large network that links two or more sub-networks. The backbone is the primary data transmission path on large networks such as those of enterprises and service providers. A backbone can be wireless or wired.
Glossary
Backbone
Bandwidth
The maximum transmission capacity of a communications channel at any point in time. Bandwidth, usually measured in bits per second (bps), determines the speed at which information can be sent across a network. If you compare the communications channel to a pipe, bandwidth represents the pipe width and determines how much data can flow through the pipe at any one time. The greater the bandwidth, the faster data can flow. (See bps).
Bluetooth wireless technology
A technology designed for short-range, wireless communications among computing devices and mobile products, including PCs and laptop computers, personal digital assistants, printers, and mobile phones. Designed as a cable-replacement, Bluetooth enables short-range transmission of voice and data in the 2.4 GHz frequency spectrum within a range of about 30 feet. (See WPAN).
Bridge
A wireless device that connects multiple networks together. (See router).
Broadband modem
A device that connects a local computer or network to a high-speed Internet service, such as DSL or Cable Internet. (See cable modem, DSL).
BSSID
Basic Service Set Identifier. A unique address that identifies the access point/router that creates the wireless network. (See SSID).
Bus adapter
A special adapter card that installs in a PC's PCI or ISA slot and enables the use of PC Card radios in desktop computers. Some companies offer one-piece PCI or ISA Card radios that install directly into an open PC or ISA slot.