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首页> 外文会议>International Conference on Cybernetics and Information Technologies, Systems and Applications(CITSA2004) and 10th International Conference on Information Systems Analysis and Synthesis(ISAS2004) vol.1 >Preventing Denial of Service (DoS) Attacks in Mobile Ad Hoc Networks
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Preventing Denial of Service (DoS) Attacks in Mobile Ad Hoc Networks

机译：防止移动自组织网络中的拒绝服务（DoS）攻击

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摘要

Denial of Service (DoS) attacks aim at degrading the network performance by preventing legitimate users from accessing or using the services. Although these attacks are still prevalent in the Internet, mobile ad hoc networks (MANETs) are more vulnerable to such attacks due to their salient characteristics. These attacks overload networks or servers by reducing the bandwidth, computing and storage space. Incentive mechanisms can provide cooperation among nodes in the network and improve the overall network throughput by reducing the DoS attacks. In this paper, we propose a reputation-based incentive mechanism for preventing DoS attacks that target both the network and application layer services. The DoS attacks due to selfish and malicious nodes were investigated. We evaluated the performance of our scheme using simulation experiments. The results indicated that reputation-based incentives can significantly reduce the effect of the DoS attacks in non-cooperating ad hoc networks.
机译：拒绝服务（DoS）攻击旨在通过阻止合法用户访问或使用服务来降低网络性能。尽管这些攻击在Internet中仍然很普遍，但由于移动自组织网络（MANET）的显着特征，因此更容易受到此类攻击。这些攻击通过减少带宽，计算和存储空间来使网络或服务器过载。激励机制可以通过减少DoS攻击来提供网络中节点之间的协作，并提高整体网络吞吐量。在本文中，我们提出了一种基于信誉的激励机制，用于防止针对网络和应用程序层服务的DoS攻击。对由于自私和恶意节点导致的DoS攻击进行了调查。我们使用模拟实验评估了该方案的性能。结果表明，基于信誉的激励措施可以显着降低非合作自组织网络中DoS攻击的影响。

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