1. 一些问题汇总
* RTCP有没有使用?
* RTP的格式是否是标准的?
* 我们把RTP包在了我们自己的TP/PDU中,为什么还要使用RTP?
2. RTP/RTCP:http://en.wikipedia.org/wiki/Real-time_Transport_Protocol
* RTP is used for transfer of multimedia data, and the RTCP is used to periodically send control information and QoS parameters.
Q: he protocol provides facility for jitter compensation and detection of out of sequence arrival in data,
^ Will handle this kind of issues, sort of like TCP ?
* Usually on UDP rather than on TCP
* protocol components
RTP, RTCP, Signaling protocols ( option ), media description protocol ( like SDP, option)
* Session
IP address
a pair of ports for RTP/RTCP ( negotiated with signaling protocol like SIP)
* Profile
* Payload
3. SDP
4. SIP