机会路由以减轻MANET中的攻击

M. Elakkiya, S. Kaushik, Elizabeth. N Edna
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引用次数: 2

摘要

自组网(manet)是移动计算的一个新兴领域。在特殊的环境中面临着各种各样的挑战。这主要是由于这些网络资源贫乏。它们通常是在紧急情况下设立的,用于临时行动,或者仅仅是在没有资源建立复杂网络的情况下。因此,自组织网络在网络的各个领域都提出了新的要求和问题。传统网络的解决方案通常不足以提供有效的Ad-hoc操作。通信的无线特性和安全基础设施的缺乏引发了几个安全问题。通常定义为基础设施不太独立的网络容易受到很多攻击。当使用传统路由算法来转发数据时,这些分散的网络不能有效地将数据包传输到正确的目的地,因为所有这些算法都需要在源节点和目标节点之间使用现代路由路径。如此长的连接在高度移动的网络中是不可能的。节点之间的链接只是暂时的,当节点离开直接通信范围时,这些链接就会中断。针对针对各种攻击的安全路由和数据以最优方式传输的高概率问题,提出了一种基于信任的机会路由算法,该算法能够在链路高度不稳定的情况下可靠地路由数据。该信任模型被纳入到基本路由算法AODV中。本文还尝试用所提出的信任模型来解释各种攻击缓解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Opportunistic routing to mitigate attacks in MANET
Adhoc Networks (MANETs) are an emerging area of mobile computing. There are various challenges that are faced in adhoc environment. These are mostly due to the resource poorness of these networks. They are usually set up in situations of emergency, for temporary operations or simply if there are no resources to set up elaborate networks. Adhoc networks therefore throw up new requirements and problems in all areas of networking. The solutions for conventional networks are usually not sufficient to provide efficient Ad-hoc operations. The wireless nature of communication and lack of any security infrastructure raise several security problems. Commonly defined as the infrastructure less independent networks are prone to much vulnerability. These decentralized networks when employ conventional routing algorithms to forward data do not effectively transfer the packet to the right destination, as all these algorithms require a contemporary routing path between a source and destination node. Such prolonged link is not possible in a highly mobile network. The link between the nodes is only temporary and these links break down as the nodes move away from the direct communication range. Focusing on the secure routing against various attacks and the high probability of data delivery in an optimum manner, a Trust based opportunistic routing algorithm which is able to reliably route data despite highly unstable links is proposed in this paper. The trust model framed is incorporated in the basic routing algorithm, AODV. An attempt to explain various attack mitigation by the proposed trust model is also made.
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