Analytical Model for Hierarchical Cache Optimization in IPTV Network

@article{Sofman2009AnalyticalMF,
  title={Analytical Model for Hierarchical Cache Optimization in IPTV Network},
  author={Lev B. Sofman and Bill Krogfoss},
  journal={IEEE Transactions on Broadcasting},
  year={2009},
  volume={55},
  pages={62-70}
}
In an IPTV network, video on demand and other video services generate large amount of unicast traffic from video hub office (VHO) to subscribers and, therefore, require additional bandwidth and equipment resources in the network. To reduce this traffic and overall network cost, a portion of the video content (the most popular titles) may be stored in caches closer to subscribers, e.g., in a digital subscriber line access multiplexer (DSLAM), a central office (CO), or in an intermediate office… CONTINUE READING
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