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CIVR '08 Proceedings of the 2008 international conference on Content-based image and video retrieval
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Advances in Multimedia
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Proceedings of the 18th international workshop on Network and operating systems support for digital audio and video
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CCNC'09 Proceedings of the 6th IEEE Conference on Consumer Communications and Networking Conference
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MMSys '10 Proceedings of the first annual ACM SIGMM conference on Multimedia systems
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CCNC'10 Proceedings of the 7th IEEE conference on Consumer communications and networking conference
Proceedings of the 6th ACM workshop on Wireless multimedia networking and computing
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ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP) - Special Issue on P2P Streaming
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ACM Computing Surveys (CSUR)
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This paper studies the conditions under which P2P sharing can increase the capacity of IPTV services over FTTN networks. For a typical FTTN network, our study shows a) P2P sharing is not beneficial when the total traffic in a local video office is low; b) P2P sharing increases the load on FTTN switches and routers in local video offices; c) P2P sharing is the most beneficial when the network bottleneck is experienced in the southbound segment of a local video office (equivalently a northbound segment of an FTTN switch); and d) sharing among all FTTN serving communities is not needed when network congestion problems are solved by using some other technologies such as program pre-caching or replication. Based on the analytical results, design for IPTV services which monitors FTTN network conditions and decides when and how to share videos among peers to maximize the service capacity. Simulations and bounds both validate the potential benefits of the MediaGrid IPTV service platform