RTP와 RTSP의 차이점은 아래의 내용을 참조 ㅋㅋ
(아 언제 다 읽어봐 ㅠ.ㅠ)
http://www.rtsp.org/2001/faq.html#rtp_rtcp_rtsp
8. What is the relationship between RTP, RTCP and RTSP?
RTP is a transport protocol for the delivery of real-time data,
including streaming audio and video. RTCP is a part of RTP and helps
with lip synchronization and QOS management, among others. RTSP is a
control protocol for initiating and directing delivery of streaming
multimedia from media servers, the "Internet VCR remote control
protocol". RTSP does not deliver data, though the RTSP connection may be
used to tunnel RTP traffic for ease of use with firewalls and other
network devices. RTP and RTSP will likely be used together in many
systems, but either protocol can be used without the other. The RTSP
specification contains a section on the use of RTP with RTSP.
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