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Performance-Aware Replication of Distributed Pre-Recorded IPTV Content

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3 Author(s)
Seung-Bum Lee ; Sch. of Electron. Eng., Dublin City Univ., Dublin ; Gabriel-Miro Muntean ; Alan F. Smeaton

Video recording in IPTV systems is a promising service that provides time-shifted services in relation to storing TV content closer to user devices such as set-top boxes. Existing approaches do not support collaboration between nodes which have correlated contents, a fact that can affect the performance of the overall system. To make this service more interactive and proactive, this paper presents the architecture using the smart personal information network (Smart PIN) as a novel performance-based content sharing network for IPTV content which uses a user-centric utility-based multimedia data replication scheme (MDRS). This allows the exchange of data based on both network performance and user interest in exchanged multimedia content in order to achieve efficient content sharing. The proposed solution is evaluated through extensive simulations and results show much improved behavior in comparison with two other existing general purpose data replication schemes.

Published in:

IEEE Transactions on Broadcasting  (Volume:55 ,  Issue: 2 )