Summit WM User Guide, Software Version 5.3 311
Fit, thin and fat APs A thin AP architecture uses two components: an access point that is
essentially a stripped-down radio and a centralized management controller
that handles the other WLAN system functions. Wired network switches
are also required.
A fit AP, a variation of the thin AP, handles the RF and encryption, while
the central management controller, aware of the wireless users' identities
and locations, handles secure roaming, quality of service, and user
authentication. The central management controller also handles AP
configuration and management.
A fat (or thick) AP architecture concentrates all the WLAN intelligence in
the access point. The AP handles the radio frequency (RF) communication,
as well as authenticating users, encrypting communications, secure
roaming, WLAN management, and in some cases, network routing.
FQDN Fully Qualified Domain Name. A "friendly" designation of a computer, of
the general form computer.[subnetwork.].organization.domain. The FQDN
names must be translated into an IP address in order for the resource to be
found on a network, usually performed by a Domain Name Server.
FTM Forwarding Table Manager
FTP File Transfer Protocol
Gateway In the wireless world, an access point with additional software capabilities
such as providing NAT and DHCP. Gateways may also provide VPN
support, roaming, firewalls, various levels of security, etc.
Gigabit Ethernet The high data rate of the Ethernet standard, supporting data rates of 1
gigabit (1,000 megabits) per second.
GUI Graphical User Interface
Heartbeat message A heartbeat message is a UDP data packet used to monitor a data
connection, polling to see if the connection is still alive.
In general terms, a heartbeat is a signal emitted at regular intervals by
software to demonstrate that it is still alive. In networking, a heartbeat is
the signal emitted by a Level 2 Ethernet transceiver at the end of every
packet to show that the collision-detection circuit is still connected.
Host (1) A computer (usually containing data) that is accessed by a user working
on a remote terminal, connected by modems and telephone lines.
(2) A computer that is connected to a TCP/IP network, including the
Internet. Each host has a unique IP address.
HTTP Hypertext Transfer Protocol is the set of rules for transferring files (text,
graphic images, sound, video, and other multimedia files) on the World
Wide Web. A Web browser makes use of HTTP. HTTP is an application
protocol that runs on top of the TCP/IP suite of protocols. (RFC2616:
Hypertext Transfer Protocol -- HTTP/1.1)
Term Explanation
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