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130 CHAPTER : GLOSSARY
Router A device that acts as a central hub by connecting to each computer's
network interface card and managing the data traffic between the local
network and the Internet.
Half Duplex A system that allows packets to transmitted and received, but not at the
same time. Contrast with full duplex.
Hub A device that regenerates LAN traffic so that the transmission distance of
that signal can be extended. Hubs are similar to repeaters, in that they
connect LANs of the same type; however they connect more LANs than a
repeater and are generally more sophisticated.
IEEE Institute of Electrical and Electronics Engineers. This American
organization was founded in 1963 and sets standards for computers and
communications.
IETF Internet Engineering Task Force. An organization responsible for
providing engineering solutions for TCP/IP networks. In the network
management area, this group is responsible for the development of the
SNMP protocol.
Infrastructure mode Infrastructure mode is the wireless configuration supported by the Router.
You will need to ensure all of your clients are set up to use infrastructure
mode in order for them to communicate with the Access Point built into
your Router. (see also Ad Hoc mode)
IP Internet Protocol. IP is a layer 3 network protocol that is the standard
for sending data through a network. IP is part of the TCP/IP set of
protocols that describe the routing of packets to addressed devices. An IP
address consists of 32 bits divided into two or three fields: a network
number and a host number or a network number, a subnet number, and
a host number.
IP Address Internet Protocol Address. A unique identifier for a device attached to
a network using TCP/IP. The address is written as four octets separated
with periods (full-stops), and is made up of a network section, an
optional subnet section and a host section.