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A trust management based on a cooperative scheme in VANET

机译:基于VANET合作计划的信任管理

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摘要

VANET is a vehicular ad hoc network, which is highly dynamic, self-organised and without a preexisting infrastructure. VANET works properly if the participating vehicles cooperate to ensure the exchange of packets. This special network confronts many constraints, such as attacks of malicious entity and absence of trust between nodes. To solve these problems, we proposed an approach having a decentralised architecture combining two models: the cluster model and the trust management model. Our approach encourages cooperation between vehicles by broadcast packets using the reward concept. It also ensures the detection of selfish nodes using the trust concept. By applying the punishment mechanism, our approach aimed to prevent malicious nodes from disrupting the network by injecting false information. Besides, in our network, we guaranteed authentic forwarding packets which were controlled by the group leader which takes the function of 'watchdog'. Our approach is based on asymmetric cryptography, which used RSA encryption and digital signature to ensure security. The simulation results provided by the NS3 simulator showed that our approach has better performance.
机译:VANET是一种车辆临时网络,它是高度动态,自我组织的,没有预先存在的基础设施。如果参与的车辆合作以确保数据包交换,Vanet正常工作。这个特殊的网络面对许多约束,例如恶意实体的攻击以及节点之间没有信任。为了解决这些问题,我们提出了一种具有分散架构的方法,该方法结合了两个模型:集群模型和信任管理模型。我们的方法鼓励使用奖励概念的广播数据包在车辆之间进行合作。它还确保使用信任概念检测自私节点。通过应用惩罚机制,我们的方法旨在防止恶意节点通过注入虚假信息来扰乱网络。此外,在我们的网络中,我们保证了由群体领导者控制的真实转发数据包,该包裹由“看门狗”的函数为控制。我们的方法是基于非对称密码学,它使用RSA加密和数字签名来确保安全性。 NS3模拟器提供的仿真结果表明,我们的方法具有更好的性能。

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