Abstract
Peer-to-peer (P2P) based video-on-demand (VoD) systems rely on the cooperation among peers to reduce the server workload. Recently, hard cache is used to further improve the system scalability, because the contents will not be immediately cleaned up when the users get offline. However, how many practical benefits hard cache will bring to the P2P based VoD service has not been well studied and still remains far from clear. In this paper, we first characterize user behavior model with the benefit of millions of real VoD traces and identify several practical factors which potentially impact the system performance. Then we further conduct extensive trace-driven simulations to evaluate the scalability of P2P based VoD system with hard cache enabled and some interesting results are found.
This work is supported by the National Natural Science Foundation of China under Grant No.60432030 and National Basic Research Program of China (973) under Grant No.2006CB303103.
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Luo, JG., Tang, Y., Zhang, M., Yang, SQ. (2006). Characterizing User Behavior Model to Evaluate Hard Cache in Peer-to-Peer Based Video-on-Demand Service. In: Cham, TJ., Cai, J., Dorai, C., Rajan, D., Chua, TS., Chia, LT. (eds) Advances in Multimedia Modeling. MMM 2007. Lecture Notes in Computer Science, vol 4352. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-69429-8_13
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DOI: https://doi.org/10.1007/978-3-540-69429-8_13
Publisher Name: Springer, Berlin, Heidelberg
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