APC 4000-500 User’s Manual
Version 1.1
30
Infrastructure
– The infrastructure includes the distribution system medium (DSM), AP, and portal
entities.
It is also the logical location of distribution and integration service functions of an extended service
set (ESS).
An infrastructure contains one or more APs and zero or more portals in addition to the distribution
system (DS).
IEEE
– Institute of Electrical and Electronic Engineering
LAN
– Local Area Network
Roaming
– A function that allows one to travel with a mobile end system (wireless LAN mobile
station, for example) through the territory of a domain (an ESS, for example) while continuously
connecting to the infrastructure.
RTS (Request To Send) Threshold
–It should remain at its default setting of 2,347. A preamble is a
signal used to synchronize the transmission timing between two or more systems.
A series of transmission pulses are sent before the data to indicate that “someone is going to
transmit data.” This ensures that systems receiving the information correctly when the data
transmission starts.
SOHO
– Small Office Home Office
SSID
– Service Set Identifier
Wired Equivalent Privacy (WEP)
– The optional cryptographic confidentiality algorithm specified
by IEEE 802.11 is used to provide data confidentiality that is subjectively equivalent to the
confidentiality of a wired local area network medium that does not employ cryptographic
techniques to enhance privacy.
Network Address Translation (NAT)
– The translation of an Internet Protocol address (IP address)
used within one network to a different IP address known within another network.
One network is designated the internal network and the other is the external.
