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ABSTRACT

IP-enabled set-top boxes are becoming key devices in home entertainment networks. In addition to providing TV signals, STBs have been providing pay-per view service for a long time. But this service suffers from bandwidth requirements at the source server and has scaling problems. We propose a new design for providing a peer-assisted VoD service where peers co-operate in delivering the content to other peers. This design uses a Bittorrent like protocol for peer-to-peer topology management and DHT for data retrieval with low startup time, provision for VCR operation and admission control to guarantee QoS for subscribers. It utilizes the large storage of STBs for better viewing experience with reduced jitter and the underlying network architecture to do a location aware content fetching and reduce the expensive cross AS traffic over the Internet.

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