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W
WAN PHY — Wide Area Network Physical Layer Device. A physical layer device
that allows 10-Gigabit Ethernet wide area links to use fiber-optic
cables and other devices intended for SONET/SDH. See also LAN PHY and PHY.
WAP — Wireless Application Protocol. A standard protocol that enables
mobile users to access the Internet in a limited fashion if WAP is
supported and enabled on the mobile device, server, and wireless network.
WAP users can send and receive e-mail and access Web sites in text
format only (WAP does not support graphics).
warm standby — Method that enables one backup Adaptive Services (AS) PIC to
support multiple active AS PICs, without providing guaranteed recovery
times.
wavelength-division multiplexing — See WDM.
WCDMA — Wideband Code Division Multiple Access. Radio interface technology
used in most third-generation (3G) systems.
WDM — Wavelength-division multiplexing. Technique for transmitting
a mix of voice, data, and video over various wavelengths (colors)
of light.
weighted round-robin — See WRR.
Wideband Code Division Multiple Access — See WCDMA.
Windows Internet Name Service — See WINS.
WINS — Windows Internet Name Service. A Windows name resolution service
for network basic input/output system (NetBIOS) names. WINS is used
by hosts running NetBIOS over TCP/IP (NetBT) to register NetBIOS names
and resolve NetBIOS names to Internet Protocol (IP) addresses.
WRR — Weighted round-robin. Scheme used to decide the queue from which
the next packet should be transmitted.
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