Reducing Channel-Change Times with the Real-Time Transport Protocol

Reducing Channel-Change Times with the Real-Time Transport Protocol

In a multicast IPTV distribution network, each channel is offered in a different multicast session, and the IP set-top box joins the respective session when the viewer tunes to a new channel. Due to delays associated with network components and encoding schemes, the time difference between the chann...

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Veröffentlicht in:IEEE internet computing 2009-05, Vol.13 (3), p.40-47
Hauptverfasser: Begen, A.C., Glazebrook, N., Ver Steeg, W.
Format: Artikel
Sprache:eng
Schlagworte:
Acceleration
Cable TV
Channels
Delay
Frequency
Internet
IP (Internet Protocol)
IPTV
Multicast
multicast video
Networks
Power cables
Proposals
rapid channel change
Real time
Real-time Transport Protocol
retransmission
RTP
Satellite broadcasting
Transport
Transport protocols
Tuners
TV broadcasting
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Beschreibung
Zusammenfassung:In a multicast IPTV distribution network, each channel is offered in a different multicast session, and the IP set-top box joins the respective session when the viewer tunes to a new channel. Due to delays associated with network components and encoding schemes, the time difference between the channel-change request and when the new channel shows up on the screen can be annoyingly large. This article examines the Real-Time Transport Protocol (RTP) in IPTV networks and describes how RTP and its control protocol can help reduce channel-change times.
ISSN:1089-7801
1941-0131
DOI:10.1109/MIC.2009.67