Internet Video

Internet & Video Salvatore Loreto [email_address] www.sloreto.com May 21 st , 2009

Outline ,[object Object],[object Object],[object Object],[object Object],[object Object]

Internet Video vs IPTV ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MultiMedia ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Streaming Stored Multimedia ,[object Object],[object Object],[object Object],[object Object],[object Object]

Streaming Stored Multimedia: Interactivity ,[object Object],[object Object],[object Object]

Streaming Live Multimedia ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Interactive, Real-Time Multimedia ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Multimedia telephony services -P2PSIP realization UE B DSN SN A AAA server UE A SN E ,[object Object]

Streaming services-PPSP realization ,[object Object],Distribute Service Network

Content distribution It is not clear yet if a pure P2P distribution is good for streaming and especially for live streaming!

The Internet Stack IP TCP/UDP APPLICATION Link

The Internet Stability The stability of the Internet is what allow everybody to send and receive data on the Internet without occupy all the available bandwidth.

The Internet Stability ,[object Object],[object Object],[object Object],[object Object]

Streaming from Web Server ,[object Object],[object Object],[object Object],[object Object],Browser launches media player, and passes file to media player Browser launches media player and passes it the meta file. Player sets up a TCP connection with server and sends HTTP request ,[object Object],[object Object],[object Object]

UDP a challenge for the future ,[object Object],[object Object],[object Object],[object Object],[object Object]

UDP a challenge for the future ,[object Object]

UDP a challenge for the future ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

RTSP/RTCP/RTP HTTP GET media player Web server media server Web browser client server presentation desc. RTSP RTCP RTP RTSP: Real-Time Signaling Protocol RTCP: Real-Time Control Protocol RTP: Real-Time Transport Protocolc

RTSP: Initialization and Control HTTP GET SETUP PLAY media stream (RTP) media player Web server media server Web browser client server presentation desc. TEARDOWN PAUSE RTCP

UDP a challenge for the future ,[object Object],[object Object]

UDP a challenge for the future ,[object Object],[object Object],[object Object]

UDP a challenge for the future ,[object Object],[object Object],[object Object],[object Object]

Suggestions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Suggestions ,[object Object],[object Object],[object Object]

Q&A *&^$%^ %^&#$ !@!@^&%%$ @$%#^*&%

RTMP – Real Time Messaging Protocol ,[object Object],[object Object],[object Object],[object Object]

Datagram Congestion Control Protocol (DCCP) ( RFC 4340) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Internet Video

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