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Cluster: An Effective Solution to the Problem of Heavy-Tailed Distribution in P2P Networks

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3 Author(s)
Guiyi Wei ; Coll. of Comput. & Inf. Eng., Zhejiang Gongshang Univ., Hangzhou, China ; Ye Gu ; Yujia Ge

Unstructured peer-to-peer (P2P) network is a prevalent model in current P2P networks. In such systems, due to the existence of free-riders, some users cannot finally complete their download tasks for the scarcity of certain resources. Many unstructured P2P models divide download files into chunks. This paper introduces a working model called cluster to solve the heavy-tailed problem in file downloads. It analyses the distribution of file chunks and increases the replication speed of the rarest chunks transmitted among the group. Our simulation experiments show the proposed model can transmit the rarest chunk efficiently and improve the overall download completion rate.

Published in:

New Trends in Information and Service Science, 2009. NISS '09. International Conference on

Date of Conference:

June 30 2009-July 2 2009