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Glossary Description
Protocol）
processing and retransmission be handled by other protocols.
UPnP（Universal Plug and
Play）
UPnP is a set of networking protocols for primarily residential
networks without enterprise class devices that permits
networked devices.
URL（Uniform Resource
Locator）
URL describes the access method and the location of an
information resource object on the Internet
VLAN（Virtual Local Area
Network）
Group of devices on one or more LANs that are configured
(using management software) so that they can communicate as
if they were attached to the same wire, when in fact they are
located on a number of different LAN segments. Because
VLANs are based on logical instead of physical connections,
they are extremely flexible.
V
VPN （Virtual Private
Network）
Enables IP traffic to travel securely over a public TCP/IP
network by encrypting all traffic from one network to another.
W WAN（Wide Area Network）
Data communications network that serves users across a broad
geographic area and often uses transmission devices provided
by common carriers.
