V.90 Definition: An ITU's modem standard, agreed on 4 February 1998, which brought to an end a year-long 56 Kbit/s standards battle between the rival proprietary X2 and K56Flex standards. … [Continue reading]
VBR
VBR Definition: Variable Bit Rate: maximum throughput set in advance, but data not always sent evenly. … [Continue reading]
VoIP
VoIP Definition: Voice over IP: The technology used to transmit voice conversations over a data network using the Internet Protocol. The data network involved might be the Internet itself, or a corporate intranet, or managed networks used by local … [Continue reading]
VPN
VPN Definition: A virtual private network is a private data network that makes use of the public telecommunication infrastructure (typically the Internet), maintaining privacy through the use of a tunnelling protocol and security … [Continue reading]
WAN
WAN Definition: Wide Area Network: a geographically dispersed network formed by linking several computers or local area networks (LANs) together over long distances, usually using leased long-distance lines. WANs can connect systems across town, in … [Continue reading]
WAP
WAP Definition: Wireless Application Protocol: a protocol that enables Internet services to be delivered to small-screen mobile devices. The application via which WAP-enabled devices access Web content is referred to as a … [Continue reading]
WCDMA
WCDMA Definition: Wideband Code Division Multiple Access: a 3G wideband radio technique which makes highly efficient use of radio spectrum and is capable of supporting data rates of up to 2 Mbit/s, sufficient to allow simultaneous access … [Continue reading]
WECA
WECA Definition: The Wireless Ethernet Compatibility Alliance is a non-profit international association formed in 1999 to certify interoperability of wireless Local Area Network products based on IEEE 802.11 specification. … [Continue reading]
WEP
WEP Wired Equivalent Privacy data encryption is defined by the 802.11 standard to prevent access to the network by "intruders" using similar wireless LAN equipment and capture of wireless LAN traffic through eavesdropping. WEP allows … [Continue reading]
Wi-Fi
Wi-Fi Branding that denotes products that have been certified as being interoperable. The scheme was originally operated by WECA - the Wireless Ethernet Compatibility Alliance - and applied to products conforming to the IEEE 802.11b … [Continue reading]