Cisco 678 Installation And Operation Manual page 175

I
A collection of networks interconnected by a set of routers which allow them to
Internet
function as a single, large virtual network. When written in upper case, Internet
refers specifically to the DARPA (Defense Advanced Research Projects Agency)
Internet and the TCP/IP protocols it uses.
The network layer protocol for the Internet protocol suite.
Internet Protocol
(IP)
See Internet Protocol.
IP
The 32-bit address assigned to hosts that want to participate in a TCP/IP Internet.
IP address
The fundamental unit of information passed across the Internet. It contains source
IP datagram
and destination addresses along with data and a number of fields that define such
things as the length of the datagram, the header checksum, and flags to say
whether the datagram can be or has been fragmented.
International Standards Organization. A voluntary, non-treaty organization
ISO
founded in 1946, responsible for creating international standards in many areas,
including computers and communications.
Internet service provider. A company that allows home and corporate users to
ISP
connect to the Internet.
International Telecommunications Union, Standardization Sector. ITU-T is the
ITU-T
telecommunication standardization sector of ITU and is responsible for making
technical recommendations about telephone and data (including fax)
communications systems for service providers and suppliers.
L
Local area network. A limited distance (typically under a few kilometers or a
LAN
couple of miles) high-speed network (typically 4 to 100 Mbps) that supports
many computers.
Light emitting diode. The lights indicating status or activity on electronic
LED
equipment.
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Cisco 600 Series Installation and Operation Guide
Glossary
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