IEEE (Institute of Electrical and Electronic Engineers) An information exchange organization. Among other functions, it coordinates, develops, and publishes network standards for use in the United States, following ANSI rules.

IETF (Internet Engineering Task Force) Organization responsible for all Internet protocols (for example, IP, TCP, FTP).

IP (Internet Protocol) A networking protocol for providing a connectionless (datagram) service to the higher transport protocol. It is responsible for discovering and maintaining topology information and for routing packets across homogeneous or heterogeneous networks. Combined with TCP, it is commonly known as the TCP/IP platform.

IPX (Internetwork Packet eXchange Protocol)

A connectionless

Network layer protocol similar to IP.

 

IPX/SPX Novell’s proprietary LAN protocol.

ISDN (Integrated Services Digital Network)

An early, CCITT-

adopted protocol reference model intended to provide a ubiquitous, end-to-end, interactive digital service for data, audio, and video. Syn- onym: narrowband ISDN.

ISO (International Standards Organization) Aninternationalbody that creates networking standards, including the OSI model.

ITC (Independent Telephone Company) Any telephone company that was not originally part of AT&T.

ITU (International Telecommunication Union) The international standards organization for telecommunications, previously known as the CCITT (International Telephone and Telegraph Consultative Committee). For more information, see http://www.itu.ch

KB (Kilobytes) One kilobyte is equivalent to 1024 bytes when referring to memory size, and 1000 bytes when referring to speed.

Kbps (Kilobits per second)

KBps (Kilobytes per second)

LAN (Local Area Network) A data communications system designed to operate over a limited geographic distance, such as a single building.

LAP-B (Link Access Procedure Balanced) For Frame Relay, the balanced-mode, enhanced version of HDLC. Used in X.25 packet- switching networks. Contrast with LAP-D.

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