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Glossary
Repeater
A repeater extends the range of a wireless local area network by relaying data from the
Access Point
to additional PCs or
Network
adapter.
Roaming
Roaming extends the range of a wireless LAN by using several
Access Points
that use the
same
SSID
and the same radio channel and are linked via Ethernet. The PCs in the net-
work can switch dynamically between several Access Points without losing the existing
network connection.
Router
A router directs data packets from one local area network (LAN) to another via the fast-
est route. A router makes it possible to connect networks that have different network
technologies. For example, it can link a local network with
Ethernet
or
WLAN
technol-
ogy to the Internet.
See also: Bridge, Switch, Hub,
Gateway
Server
A server makes a service available to other network components (Clients). The term
"server" is often used to refer to a computer or PC. However it can also mean an appli-
cation that provides a particular service such as
DNS
or a Web service.
SIP
Session Initiation Protocol
SIP is a standard for data transfer in Internet telephony (VoIP). It describes how a call is
carried over the data network and which components plus which transport and signal-
ling protocols are involved.
SMTP
Simple Mail Transfer Protocol
The SMTP
Protocol
is part of the
TCP/IP
protocol family. It governs the exchange of elec-
tronic mail on the Internet. Your
Internet Provider
provides you with access to an SMTP
server.
SNMP
Simple Network Management Protocol
The SNMP
Protocol
is part of the
TCP/IP
protocol family. It provides a simple procedure
for administering the network based on a system of shared information for manage-
ment data and network management messages (known as traps) and reports the occur-
rence of events within the monitored network (e.g. an alarm message or notification of
configuration changes).
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