TP-Link SafeStream TL-ER6020 User Manual page 168

Glossary
Telnet（Telecommunication
Network protocol）
UDP（User Datagram
Protocol）
UPnP（Universal Plug and
U
Play）
URL（Uniform Resource
Locator）
VLAN（ Virtual Local Area
Network）
V
VPN （Virtual Private
Network）
W WAN（Wide Area Network）
Description
Telnet is used for remote terminal connection, enabling users to
log in to remote systems and use resources as if they were
connected to a local system.
UDP is a simple protocol that exchanges datagram without
acknowledgments or guaranteed delivery, requiring that error
processing and retransmission be handled by other protocols.
UPnP is a set of networking protocols for primarily residential
networks without enterprise class devices that permits
networked devices.
URL describes the access method and the location of an
information resource object on the Internet
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.
Enables IP traffic to travel securely over a public TCP/IP
network by encrypting all traffic from one network to another.
Data communications network that serves users across a broad
geographic area and often uses transmission devices provided
by common carriers.
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