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IEICE TRANSACTIONS on Information

Reputation-Based Colluder Detection Schemes for Peer-to-Peer Content Delivery Networks

Ervianto ABDULLAH, Satoshi FUJITA

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Summary :

Recently Peer-to-Peer Content Delivery Networks (P2P CDNs) have attracted considerable attention as a cost-effective way to disseminate digital contents to paid users in a scalable and dependable manner. However, due to its peer-to-peer nature, it faces threat from “colluders” who paid for the contents but illegally share them with unauthorized peers. This means that the detection of colluders is a crucial task for P2P CDNs to preserve the right of contents holders and paid users. In this paper, we propose two colluder detection schemes for P2P CDNs. The first scheme is based on the reputation collected from all peers participating in the network and the second scheme improves the quality of colluder identification by using a technique which is well known in the field of system level diagnosis. The performance of the schemes is evaluated by simulation. The simulation results indicate that even when 10% of authorized peers are colluders, our schemes identify all colluders without causing misidentifications.

Publication
IEICE TRANSACTIONS on Information Vol.E96-D No.12 pp.2696-2703
Publication Date
2013/12/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E96.D.2696
Type of Manuscript
Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking)
Category

Authors

Ervianto ABDULLAH
  Hiroshima University
Satoshi FUJITA
  Hiroshima University

Keyword