[streaming] Re: Video Streaming Questions

[Miguel Barreiro Paz]

> We have Set Top Boxes that does support MPEG2 over RTSP, but not MPEG2
> over RTP. Why did not you support that protocol that STB market use to
> stream MPEG2 video and audio?

Just for clarification: RTSP is intended to set up and control media
streams; RTP is intended to transport such media streams. They are
completely independent of each other; on the Mbone, RTP is used (but no
RTSP, media is multicast and session information is acquired via SDP); and
certain DVB set-top boxes control media sessions with RTSP but receive
these streams as DVB TV Channels.

Many set-top boxes support RTSP but not RTP.

Regards,

Miguel

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