the same levels of Quality of Service, authentication, and service segmentation previously provided by tra- ditional DSL networks.
twisted pair. Cable consisting of two copper strands twisted around each other. The twisting provides pro- tection against electromagnetic interference.
UTP. Unshielded twisted pair cable.
VDSL. Very high rate Digital Subscriber Line. VDSL transmits high speed data over short reaches of
VLAN. Virtual Local Area Network. A network of computers that behave as if they are connected to the same wire even though they may be physically located on different segments of a LAN. VLANs are config- ured in software rather than hardware.
VoIP.
WAN. Wide Area Network. Private network facilities, usually offered by public telephone companies but increasingly available from alternative access providers (sometimes called Competitive Access Providers, or CAPs), that link business network nodes.
WFQ. Weighted Fair Queueing. A packet scheduling technique allowing guaranteed bandwidth services in order to let multiple sessions share the same link. It regulates the flow of data in networks by sorting pack- ets to minimize latency. WFQ passes along narrowband signals first, and buffers broadband signals.
WMM. WiFi MultiMedia. WiFi Multimedia allows you to prioritize various types of data travelling over the wireless network. Certain types of data that are sensitive to delays, such as voice or video, must be priori- tized ahead of other, less
WWW.World Wide Web.
XAuth. Extended Authentication. An extension to the Internet Key Exchange (IKE) protocol, for IPSec tunnel- ling. Requires SafeHarbour IPsec tunneling feature key.
