User guide

134 Glossary
Versi o n 3 . 1
broadcasters the tools to deliver multimedia presentations over the
Web.
Real-time
Rapid transmission and processing of event-oriented data and
transactions as they occur instead of being stored and retransmitted or
processed as batches.
realm
Authentication context.
RTCP
Real Time Control Protocol.
RTP
Real-time Transport Protocol.
RTSP
Real Time Streaming Protocol.
SAP
Session Announcement Protocol. SAP is a protocol to announce
multicast broadcast sessions. A broadcast session is announced by
periodically multicasting an SDP announcement packet to a common
multicast address and port.
scene description
A description of the media in a presentation and how they are to be
reconstructed. The technical term is BIFS (Binary Information for
Scene).
SDP
Session Description Protocol.