RTSP, RTP

1
RTSP, RTP

• 20021472 ???

2
??

• 1. RTSP??
• 2. RTP??
• 3. ?? ?? ?
• 4. ???? ????.

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1. RTSP??

• Real Time Streaming Protocol
• (??? ???? ????)
• RTSP?  On Demand ???? ???? ??? ??? ??? ?????? ???
  ????.
• on demand ( ???? ??? ?? ????? ?? ??? ??? ????
  ?? )

4
OSI ?? 7?? ?

• 7 ?????? HTTP, SMTP, SNMP, FTP, ??, SSH Scp,
  NFS, RTSP
• 6 ?????? XDR, ASN.1, SMB, AFP
• 5 ?? TLS, SSH, ISO 8327 / CCITT X.225, RPC,
  NetBIOS, ????
• 4 ?? TCP, UDP, RTP, SCTP, SPX, ????
• 3 ???? IP, ICMP, IGMP, X.25, CLNP, ARP, RARP,
  BGP, OSPF, RIP, IPX, DDP
• 2 ??? ?? ???, ???, PPP, HDLC, ??? ???, ISDN, ATM,
  ???, FD?
• 1 ?? ??, ??, ???, ?????, ???, PSTN

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RTSP ??

• RTSP? H.323? ?????, ????? ??? ?? ??? ???? ?? RTP?
  ????. ??? H.323? ??? ??? ???? ????? ?? ?? ??? ?
  ??, RTSP? ??? ????? ??? ? ??? ???? ????? ??????
  ?? ?? ???? ?????.

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RTSP ?? ????

• RTSP??? HTTP? ???? ??? ??? ??? ??
• ????? ???? ???? ?? ???
• ??? ?????
• HTTP? ????? ? ? ??.
• ???? ????????? ???? ??? ? ??
• ?? ???? ???? ???? ?? ??? ?? ? RTSP??? ???? ????
  ???? ???? ?? ??.

7
RTSP ?? ???
8
RTP??

• Real-time Transport Protocol
• (??? ?? ????)
• RTP ? ??? ???? ??? ??? ????? ???, ??? ????????
  ???? ???? ???? ?? ??? ????.
• RTP? ?????, UDP ???? ??? ????.
• ??? RTP? RTCP? ??? ???? ??? ??.

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RTP? ?? ??

• ??? TCP? ???? ?? ??? ?????? ??? ????, ???? ???
  ????? ?? ??? ???.
• ??, UDP? ??? ??? ??,? ?????? ??? ??? ???????,
  ??? ??? ??? ? ? ?? RTP? ??.

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RTP ?? ?

• ??? ?? ????(Simple Multicast Audio Conference)
• ??? ????(Audio and Video Conference)
• ???? ???(Mixers and Translators)
• ?????? ??? LiveMedia ??? ?? ??? RTP? ?? ??,
  ???????? ??? ??? NetMeeting? RTP? ????? ???? ??.

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3. ?? ?? ?

• HTML???..
• a hrefrtsp//www.SEXY007.com/1.wm? ?? ???.
• rtsp//megaext6.hvod.nefficient.co.kr/megaext6/wd3
  _e/D3LE01277GS/D3LE01277GS011.WMV?keyMzIyMDMyMjEw
  MTM3ODU3MTIwMjczMzE0MjAIwMTBoZWxsbzEwMDAxMzE3MDMxO
  DUwNjQ2MjE

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?? ????

• mms// http// ??? ??????0.7b (???? / 2002?)

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?? ????2

• rtsp// ??? net transport ( ??? x )
• ?? ?? ???.

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?? ??

• 1990?? ???? ?? ?????? ?? kbs , ??? ????? ???? ??.
• ?? ??? ???.

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?? ??

• 1. ?????
• 2. ???? ?????????
• 3.?? ??? ??, ?? ????.