Terms, Abbreviations and Acronyms
Care@Home
™
PERS Control Panel User Guide
29
Term
Description
STUN
Session Traversal Utilities for
NAT
.
STUN is a standardized set of methods and a network protocol to allow an end host to
discover its public
IP
address if it is located behind a
NAT
.
STUN is used to permit
NAT
traversal for applications of real-time voice, video, messaging,
and other interactive
IP
communications.
STUN is documented in RFC 5389. STUN is intended to be a tool to be used by other
protocols, such as ICE.
TCCU
Transmission Control Protocol.
One of the core protocols of the Internet Protocol Suite.
TCCU is one of the two original components of the suite, complementing the
IP
and therefore
the entire suite is commonly referred to as TCCU/IP.
TCP
Transmission Control Protocol.
TCP is one of the core protocols of the Internet protocol suite (
IP
), and is so common that the
entire suite is often called TCP/IP.
Telnet
Telnet is a standard network protocol being used on the Internet or Local Area Networks
(
LAN
s).
It provides a bidirectional interactive text-oriented communication facility using a virtual
terminal connection.
User data is interspersed in-band with Telnet control information in an 8-bit byte oriented
data connection over the
TCCU
.
TR5
An Essence Term.
A Tag Reader wireless access control peripheral device.
UDP
User Datagram Protocol.
One of the core members of the Internet protocol suite.
With User Datagram Protocol, computer applications can send messages, in this case referred
to as datagrams, to other hosts on an Internet Protocol (
IP
) network without prior
communications to set up special transmission channels or data paths.
UT
An Essence Term.
A Universal Transmitter peripheral device.
UTC
Universal Time Coordinated.
This is the world-wide primary time standard by which the world regulates local clocks and
time. It is one of several closely related successors to Greenwich Mean Time (GMT).
URL
Uniform Resource Locator.
Also known as Web Address.
A specific character string that constitutes a reference to a resource. In most web browsers,
the URL of a web page is displayed on top inside an address bar. An example of a typical URL
would be "http://en.example.org/wiki/Main_Page".
USB
™
Universal Serial Bus.
An industry standard defining the cables, connectors and communications protocols used in a
bus for connection, communication and power supply between computers and electronic
devices.
