Definition:The conventional true VoD system uses one dedicated channel for each service request, which offers the client the best QoS and interactive services, while multicast true VoD offers more efficient data transmission.
Video-on-Demand (VoD) service allows remote clients to play back any video from a large collection of videos stored at one or more video servers in any mode at any time. VoD service is usually long-lived and real-time, and requires high storage-I/O and network bandwidths and needs to support VCR-like interactivity. A VoD system is usually designed with a focus on system cost and client-perceived Quality-of-Service (QoS). Key cost components are the video server capacity, storage-I/O bandwidth, network bandwidth and throughput, and customer premise equipment (CPE). VoD clients’ QoS is related to service latency, interactivity, and playback effects. Usually, there is a trade-off between clients’ QoS and system costs. The True VoD (TVoD) service supports all of the...
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References
T.D.C. Little and D. Vankatesh, “Prospects for Interactive Video-on-Demand,” IEEE Multimedia, Vol. 1, No. 3, 1994, pp. 14–24.
H. Ma, K.G. Shin, and W. Wu, “Best-Effort Patching for Multicast True VoD Service,” Multimedia Tools and Applications, Vol. 26, 2005, pp. 101–122.
H. Ma and K.G. Shin, “Multicast Video-on-Demand Services,” ACM Computer Communication Review, ACM Press, Vol. 32, No. 1, 2002, pp. 31–43.
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(2006). Multicast True VoD Service. In: Furht, B. (eds) Encyclopedia of Multimedia. Springer, Boston, MA. https://doi.org/10.1007/0-387-30038-4_138
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DOI: https://doi.org/10.1007/0-387-30038-4_138
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