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Aolynk DR811/DR814 ADSL2+Broadband Router 9 Appendix - Glossary
71
host
A device (usually a computer) connected to a network.
HTTP
Hyper-Text
Transfer
Protocol
HTTP is the main protocol used to transfer data from web sites
so that it can be displayed by web browsers.
See also web
browser, web site
.
Hub
A hub is a place of convergence where data arrives from one or
more directions and is forwarded out in one or more directions. It
usually includes a switch of some kind. It connects an Ethernet
bridge/router to a group of PCs on a LAN and allows
communication to pass between the networked devices.
ICMP
Internet
Control
Message
Protocol
An Internet protocol used to report errors and other
network-related information. The ping command makes use of
ICMP.
IEEE
The Institute of Electrical and Electronics Engineers is a
technical professional society that fosters the development of
standards that often become national and international
standards.
Internet
The global collection of interconnected networks used for both
private and business communications.
intranet
A private, company-internal network that looks like part of the
Internet (users access information using web browsers), but is
accessible only by employees.
IP
See TCP/IP
.
IP address
Internet
Protocol
address
The address of a host (computer) on the Internet, consisting of
four numbers, each from 0 to 255, separated by periods, e.g.,
209.191.4.240. An IP address consists of a
network ID
that
identifies the particular network the host belongs to, and a
host
ID
uniquely identifying the host itself on that network. A network
mask is used to define the network ID and the host ID. Because
IP addresses are difficult to remember, they usually have an
associated domain name that can be specified instead.
See also
domain name, network mask
.
ISP
Internet
Service
Provider
A company that provides Internet access to its customers,
usually for a fee.
LAN
Local Area
Network
A network limited to a small geographic area, such as a home,
office, or small building.
LED
Light
Emitting
Diode
An electronic light-emitting device. The indicator lights on the
front of the ADSL router are LEDs.
MAC
address
Media
Access
Control
address
The permanent hardware address of a device, assigned by its
manufacturer. MAC addresses are expressed as six pairs of hex
characters, with each pair separated by colons. For example,
NN:NN:NN:NN:NN:NN
.
mask
See network mask
.
Mbps
Abbreviation for Megabits per second, or one million bits per
second. Network data rates are often expressed in Mbps.