基于反馈可信度的可信机会路由转发模型.pdfVIP

Computer Engineering and Applications 计算机工程与应用 2017 ，53（8） 23 基于反馈可信度的可信机会路由转发模型 吴 军，莫伟伟，印新棋，白光伟 WU Jun, MO Weiwei, YIN Xinqi, BAI Guangwei 南京工业大学 计算机科学与技术学院，南京 211816 College of Computer Science and Technology, Nanjing Technology University, Nanjing 211816, China WU Jun, MO Weiwei, YIN Xinqi, et al. Trusted opportunistic routing forwarding model based on feedback credi- bility. Computer Engineering and Applications, 2017, 53 （8 ）：23-28. Abstract ：Traditional Ad Hoc routing mechanism and other pre routings are no longer suitable for wireless mesh networks. In contrast, Opportunistic Routing （OR ）based on opportunistic routing has got more and more applications. It takes advantage of candidate set to improve the network throughput and decrease the retransmission. However, the OR also suffers from safe threats. This article aims to solve the cooperative cheating attacks. It proposes a trusted model based on feedback credibility and integrates OR to prevent the cooperative cheating nodes joining the candidate set. It establishes a trusted opportunistic routing forward model based on feedback credibility. Simulation experiments show that it has advantages in combating classic malicious nodes behaviors and especially cooperative cheating attacks comparing with classic ExOR protocol. Key words ：Wireless Mesh Networks （WMNs ）; opportunistic routing; feedback credibility; route forwarding strategy; trusted model 摘 要：传统Ad Hoc 等先决路由机制不再适合无线Mesh 网络。相反，基于后择路由机制的机会路由已经获得越来 越多的应用。机会路由中的转发候选集可有效增加无线Mesh 网络吞吐量和降低重传数；但是，机会路由也正遭受 安全问题困扰。针对节点间的共谋攻击行为，提出一种基于反馈可信度的信任模型，并结合到机会路由中，防止共 谋节点加入机会路由转发候选集。建立一种基于反馈可信度的可信机会路由转发模型（简称FCTOR ）。仿真实验 表明，该模型较经典的ExOR 协议可以有效抑制典型恶意节点，尤其面对共谋攻击行为时表现出良好的性能。 关键词：无线MESH 网；机会路由；反馈可信度；路由转发策略；可信模型 文献标志码：A 中图分类号：TP393 doi ：10.3778/j.issn. 1002-8331.1611-0091 [1-2] 无线Mesh 网络 （Wireless Mesh Networks，WMNs） 路质量变化的影响以