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Appendix Chapter 13

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MAC Media Access Control

MPEG-2 Enhanced video compression standard, with high-level

compression that makes images of studio quality possible. It

has now become established as a broadcasting standard.

MPEG-4 Further development of MPEG-2, designed for transmission

of audiovisual data at very low transfer rates (for example via

the Internet).

MTU Maximum Transmission Unit resp. Maximum Transfer Unit

Netmask A mask that explains which part of an IP address is the

network address and which part comprises the host address.

It is usually written in dotted decimal notation, for example

"255.255.255.192".

Parameter Values used for configuration

QCIF Quarter CIF, a video format with 176 × 144/120 pixels

RS232/RS422/RS485 Data transfer standards

RTP Realtime Transport Protocol; transport protocol for video and

audio in real time

SNMP Simple Network Management Protocol

Subnet mask See netmask

TCP Transfer Control Protocol

Telnet Connection protocol for a user to connect to a remote

computer (host) in the Internet

Time Server Protocol A protocol to synchronize computers in the Internet

TTL Time To Live

UDP User Datagram Protocol

URL Uniform Resource Locator

UTP Unshielded Twisted Pair

WAN See wide area network

Wide area network A long distance link used to extend or connect remotely

located local area networks

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