Statistical Analysis of Multicast versus Instant Channel Changing Unicast IPTV Provisioning

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Executive Summary

Bandwidth is a key constraint for video distribution and hence, there is a strong incentive for analysis and modelling of IPTV service. In this paper, the authors provide statistical analysis of IPTV traces measured from real-life IPTV pre-operational network. The main target was to determine the tradeoff between the multicast distribution of IPTV and ICC (Instant Channel Changing) unicast distribution of this service to the end users. The results showed that multicast and unicast IPTV traffic have different self-similarity degrees, where the multicast is shown to be less self-similar, while ICC unicast traffic showed middle level burstiness.

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