
A P P E N D I X
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Real-time Transport Protocol
(RTP)
Real-time Transport Protocol (RTP) is a transport protocol for carrying real-time traffic
flows, such as packetized audio and video traffic, in an Internet Protocol (IP) network.
1
It
provides a standard packet header format, which gives sequence numbering, media-specific
timestamp data, source identification, and payload identification, among other things. RTP
is usually carried using User Datagram Protocol (UDP).
RTP is supplemented by the Real-time Transfer Control Protocol (RTCP), which carries
control information about the current RTP session. RTCP packets are used to carry status
information on ...