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arXiv 1012.2519cs.CR
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一种移动Ad Hoc网络分布式信任和信誉框架

A Distributed Trust and Reputation Framework for Mobile Ad Hoc Networks

Jaydip Sen

摘要:

在多跳移动自组织网络(MANET)中,移动节点合作形成网络,而不使用任何基础设施,如接入点或基站。节点的移动性和无线介质的容量从根本上说是有限的,再加上无线传输的影响,如衰减,多径传播和干扰相结合,在移动自组网的安全性创造了重大的挑战。传统的认证、加密等密码机制无法有效应对移动自组网中恶意节点的丢包等攻击。提出了一种检测移动自组网中恶意丢包攻击的机制。该机制依赖于每个节点上的信任模块,该信任模块基于其邻居为该节点计算的信誉值。节点的信誉值基于其在网络中的分组转发行为来计算。信誉信息在节点之间被收集、存储和交换,并在不同的场景下被计算。该协议已在网络仿真器中进行了仿真。仿真结果表明了该算法的有效性。

英文摘要:

In a multi-hop mobile ad hoc network (MANET), mobile nodes cooperate to form a network without using any infrastructure such as access points or base stations. The mobility of the nodes and the fundamentally limited capacity of the wireless medium, together with wireless transmission effects such as attenuation, multi-path propagation, and interference combine to create sig-nificant challenges for security in MANETs. Traditional cryptographic mecha-nisms such as authentication and encryption are not capable of handling some kinds of attacks such as packet dropping by malicious nodes in MANETs. This paper presents a mechanism for detecting malicious packet dropping attacks in MANETs. The mechanism is depends on a trust module on each node, which is based on the reputation value computed for that node by its neighbors. The reputation value of a node is computed based on its packet forwarding behavior in the network. The reputation information is gathered, stored and exchanged between the nodes, and computed under different scenario. The proposed pro-tocol has been simulated in a network simulator. The simulation results show the efficiency of its performance.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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