E Glossary
ARP — Address Resolution Protocol. An Internet protocol used to bind an IP address to Ethernet/ 802.3 addresses.
ASCII — American Standard Code for Information Interchange. It is an
AUI — Attachment Unit Interface. An IEEE 802.3 transceiver cable connecting the network device (such as a router) to the MAU (media access unit).
Bandwidth on Demand — Feature providing the capability of adjusting the bandwidth (opening or closing multiple B channels) when the load in traffic increases or decreases.
B Channel — In ISDN, a
BRI — Basic Rate Interface. The ISDN interface providing two 64 Kbps B channels for voice, data and video transmission and one 16 Kbps D channel for signaling and data transmission.
Bridge — A device that segments network traffic. A bridge maintains a list of each node on the segment and only traffic destined for a node on the adjacent segment is passed across the bridge. A bridge operates at Layer 2 of the OSI reference model.
CHAP — Challenge Handshake Authentication Protocol. A security protocol supported under
DCE — Data Communicating Equipment. Equipment used within a network to transfer data from source to destination such as modems.
D Channel — In ISDN, a
Data Compression — Techniques used to reduce the number of bits transferred across the communication links that represent the actual data bits. Compression is used to optimize use of WAN links and speed data transmission.