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IBM ADSL Bridge/ Router Heritage User Manual

Page 163

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A-14

Appendix

TCP/IP

Transmission Control Protocol/Internet Protocol - An open network
standard that defines how devices from different manufacturers
communicate with each other over one or more interconnected
networks. TCP/IP protocols are the foundation of the Internet, a
worldwide network of networks connecting businesses, governments,
researchers, and educators. TCP provides a connection-oriented
transport layer ensuring end-to-end reliability in data transmission. IP
provides for network layer connectivity using connectionless
datagrams.

TFTP

Trivial File Transfer Protocol - A protocol used to transfer files
between IP nodes. TFTP is often used to transfer firmware and
configuration information from a UNIX computer acting as a TFTP
server to an IP networking device.

TELNET

Internet standard protocol for remote terminal emulation that allows
a user to remotely log in to another device and appear as if directly
connected.

Transparent Bridging

Bridging technique used in Ethernet networks which allows transfer
of frames across intermediate nodes using tables associating end
nodes with bridging addresses. Bridges are unknown to the end
nodes.

VCI

Virtual Channel Identifier - Number that identifies a channel within a
virtual path in a xDSL/ATM environment.

Virtual Channel

Refers to a logical connection between end stations in a xDSL/ATM
environment

Virtual Path

Refers to a bundle of virtual channels in a xDSL/ATM environment.

VPI

Virtual Path Identifier - Number that identifies the link formed by the
virtual path in a xDSL/ATM environment.

UDP

User Datagram Protocol - A TCP/IP protocol describing how packets
reach applications in destination nodes.

Wall jack

A small hardware component used to tap into telephone wall cable.