Pirelli DISCUS DRG A225G - Manual (Page 33)

DISCUS™ DRG A225G
© (2007) Pirelli Broadband Solutions S.p.A. All Rights Reserved. Proprietary Use Pursuant to Cover Page Instructions.
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IP address numbers recognized by the Internet, which must assigned by Inter-
NIC).
TCP/IP
Transmission Control Protocol/Internet Protocol. This is the name for two of the
most well-known protocols developed for the interconnection of networks. Origi-
nally a UNIX standard, TCP/IP is now supported on almost all platforms, and is
the protocol of the Internet.
TCP
It relates to the content of the data travelling through a network — ensuring that
the information sent arrives in one piece when it reaches its destination. IP re-
lates to the address of the end station to which data is being sent, as well as the
address of the destination network.
VCI
VCI - Virtual Channel Identifier. The identifier in the ATM (Asynchronous Trans-
fer Mode) cell header that identifies to which virtual channel the cell belongs.
VPI
VPI - Virtual Path Identifier. The field in the ATM (Asynchronous Transfer Mode)
cell header that identifies to which VP (Virtual Path) the cell belongs.
WAN
Wide Area Network. A network that connects computers located in geographi-
cally separate areas (for example, different buildings, cities, or countries). The
Internet is an example of a wide area network.
WEP
Wired Equivalent Privacy. A shared key encryption mechanism for wireless
networking. Encryption strength is 40/64 bit or 128 bit.
Wi-Fi
Wireless Fidelity. This is the certification granted by WECA to products that
meet their inter operability criteria. (see also 802.11b, WECA)
Wi-Fi Alliance
The Wi-Fi Alliance is a trade group, owning the trademark to Wi-Fi, aiming at
performing the testing, certifying interoperability of products and promoting the
technology.