Appendix
532
13.5
Glossary
BAT54-Rail/F..
Release
7.54
06/08
SDSL Single Line Digital Subscriber Line - downstream and upstream with 2.048 Mbit/s (two-
strand wire)
Server Computer which provides services over the network (e.g. files, news, email, WWW
pages)
SINA Secure Inter-Network Architecture
SMTP Simple Mail Transfer Protocol - SMTP protocol is the Internet standard for distribution of
electronic mail; the protocol is based on the TCP protocol
SNMPv3 Simple Network Management Protocol Version 3
SSID Service Set Identity; “network name" of the wireless LAN
SSL Secure Socket Layer
Splitter The splitter is comparable with an audio frequency filter; in an ADSL connection, the split-
ter separates the ISDN signals from the DSL signals; the ISDN signals go to the NTBA
and the DSL signals go to the DSL modem
Switch A central distributor in a star-shaped network; each station has the entire bandwidth
available; if a station fails, the rest of the network is not affected; is used for collision pre-
vention; increases the overall throughput of the network; switches are cascadable
TAE Telephone connection unit used in Germany. Plug for the connection of analog devices
like a telephone or modem into the telephone network.
TCP/IP Transmission Control Protocol/Internet Protocol; family of protocols (ARP, ICMP, IP, UDP,
TCP, HTTP, FTP, TFTP) used mainly in the Internet, although it is making headway in
intranets as well
TKIP Temporal Key Integrity
TLS Transport Layer Security
TPC Transmission Power Control
Upload/
Upstream
Upload / upstream denotes the direction of dataflow in a WAN; upstream is the direction
from the node connected to the network to the head end/Internet
Chaining Concatenation of bit sequences
VPN Virtual Private Network - a VPN is a network consisting of virtual connections over which
non-public or company internal data can be transmitted securely, even if public network
infrastructures are used
WAN Wide Area Network - network connection over long distances (e.g. over ISDN with a BAT
router)
WECA Wireless Ethernet Compatibility Alliance; alliance of manufacturers of wireless LAN com-
ponents based on IEEE 802.11; renamed the WiFi Alliance
WEBconfig Web-based configuration interface for BAT devices.
WEP Wired Equivalent Privacy
WiFi Wireless Fidelity; marketing concept generated by the WECA
WiFi-Alliance Alliance of manufacturers of wireless LAN components based on IEEE 802.11; formerly
the WECA
WLAN Wireless Local Area Network - local radio network
WPA WiFi Protected Access; name for security mechanisms beyond IEEE 802.11; generated
by the WiFi Alliance
WISP Wireless Internet Service Provider
xDSL xDSL stands for the family of Digital Subscriber Line technologies
XOR Logical operation "exclusive OR"
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