A Trust-based Pollution Attack Prevention Scheme in Peer-to-Peer Streaming Networks
Xin Kang, Yongdong Wu

TL;DR
This paper introduces a trust management system for P2P streaming networks that effectively detects and prevents pollution attacks by combining direct and indirect trust with a dynamic confidence factor.
Contribution
It proposes a novel trust model with a dynamic confidence factor and a double-threshold scheme to enhance pollution attack prevention in P2P streaming systems.
Findings
Effective identification of polluters demonstrated
Prevention of polluted data sharing confirmed
Trust management system improves security in P2P streaming
Abstract
Nowadays, peer-to-peer (P2P) streaming systems have become a popular way to deliver multimedia content over the internet due to their low bandwidth requirement, high video streaming quality, and flexibility. However, P2P streaming systems are vulnerable to various attacks, especially pollution attacks, due to their distributed and dynamically changing infrastructure. In this paper, by exploring the features of various pollution attacks, we propose a trust management system tailored for P2P streaming systems. Both direct trust and indirect trust are taken into consideration when designing the trust management system. A new direct trust model is proposed. A dynamic confidence factor that can dynamically adjust the weight of direct and indirect trust in computing the trust is also proposed and studied. A novel double-threshold trust utilization scheme is given. It is shown that the…
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Taxonomy
TopicsAccess Control and Trust · Peer-to-Peer Network Technologies · Cloud Data Security Solutions
