Siemens HiPath 8000 Administrator's Manual page 157

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Q
QoS
Quality of Service. The term refers to control mechanisms that can provide different priority
to different users or data flows, or guarantee a certain level of performance to a data flow
in accordance with requests from the application program. The OpenStage 60/80 allows
for the setting of QoS parameters on layer 2 and layer 3 (DiffServ).
R
RAM
Random Access Memory. Memory with read / write access.
ROM
Read Only Memory. Memory with read only access.
RTCP
Realtime Transport Control Protocol. Controls the ->RTP stream and provides information
about the status of the transmission, like QoS parameters.
RTP
Realtime Transport Protocol. This application layer protocol has been designed for audio
and video communication. Typically, the underlying protocol is ->UDP.
S
SDP
Session Description Protocol. Describes and initiates multimedia sessions, like web con-
ferences. The informations provided by SDP can be processed by ->SIP.
SIP
Session Initiation Protocol. Signaling protocol for initialising and controlling sessions, used
e. g. for ->VoIP calls.
SNMP
Simple Network Management Protocol. Used for monitoring, controlling, and administra-
tion of network and network devices.
SNTP
Simple Network Time Protocol. Used to synchronize the time of a terminal device with a
timeserver.
A31003-01010-M11-1-7619, 29/01/2007
HiPath 2000, HiPath 3000/5000, HiPath 4000 - OpenStage 60/80, Administrator Manual
bkglos.fm
Glossary
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