Glossary

used in the ESS LAN conﬁguration.

Ethernet: The most widely used architecture for Local Area Networks (LANs). It is a shared-media network architecture. The IEEE 802.3 standard details its functionality.

Ethernet cable: A wire similar to telephone cable that carries signals between Ethernet devices.

File and Print Sharing: A Microsoft application that allows computers on a network to share ﬁles and printers.

Firmware: Programming inserted into programmable read-only memory, thus becoming a permanent part of a computing device.

Frame: A ﬁxed block of data, transmitted as a single entity. Also referred to as packet.

Full-Duplex:To transmit on the same channel in both directions

simultaneously.

Gbps (Giga Bits per second): One billion bits per second.

Half-duplex:To transmit on the same channel in both directions, one direction at a time.

Hub: A device which allows connection of computers and other devices to form a LAN.

IEEE (Institute of Electrical and Electronics Engineers): The professional organization which promotes development of electronics technology.

IP (Internet Protocol) Address: A unique 32-binary-digit number that identiﬁes each sender or receiver of information sent in packets.

Infrastructure: A wireless network or other small network in which the