Packet dropping in a mobile ad hoc network can manifest itself as the data plane attacks as well as control plane attacks.The former deal with malicious nodes performing packet drop on the data packets following the r...Packet dropping in a mobile ad hoc network can manifest itself as the data plane attacks as well as control plane attacks.The former deal with malicious nodes performing packet drop on the data packets following the route formation and the latter deal with those malicious nodes which either drop or manipulate the control packets to degrade the network performance.The idea of the proposed approach is that during the route establishment,each of the on-path nodes is provided with pre-computed hash values which have to be used to provide a unique acknowledgement value to the upstream neighbor which acts as a proof of the forwarding activity.The analysis phase results in the detection of nodes which exhibited malicious behavior in the current communication session so as to avoid them in the future communication sessions resulting in an improved packet delivery fraction even in the presence of one or more malicious nodes in the network.The communication overhead incurred is minimum since the acknowledgement reports are sent to the destination for a transmission of N packets rather than an individual acknowledgement for each transmitted packet.In contrast to some of the existing techniques,the proposed mechanism is not dependent on the deployment of additional infrastructure like special Intrusion Detection System(IDS)nodes.The only overhead incurred is in the form of control packets exchanged for the reports request and the reports submission.展开更多
飞行自组织网络是由无人机组成的移动自组织网络,其高动态的特性使得网络拓扑结构频繁变化,应用在传统移动自组织网络的路由协议不再适用。因此提出了一种新的基于萤火虫算法(firefly algorithm,FA)的最优化链路状态(optimized link sta...飞行自组织网络是由无人机组成的移动自组织网络,其高动态的特性使得网络拓扑结构频繁变化,应用在传统移动自组织网络的路由协议不再适用。因此提出了一种新的基于萤火虫算法(firefly algorithm,FA)的最优化链路状态(optimized link state routing,OLSR)协议FA-OLSR作为飞行自组织网络的路由协议。FA-OLSR协议通过节点之间的链路持续时间信息和链路质量信息衡量节点之间的链路稳定性,将链路稳定性作为选择多点中继(multipoint relay,MPR)集合的准则。此外,FA-OLSR协议使用萤火虫算法设计OLSR协议的MPR选择机制。仿真结果表明,FA-OLSR协议能够提高数据包的传输成功率、减小数据包传输的端到端时延,更适用于飞行自组织网络。展开更多
基金The author would like to thank Deanship of Scientific Research at Majmaah University for supporting this work under Project Number 1439-59.
文摘Packet dropping in a mobile ad hoc network can manifest itself as the data plane attacks as well as control plane attacks.The former deal with malicious nodes performing packet drop on the data packets following the route formation and the latter deal with those malicious nodes which either drop or manipulate the control packets to degrade the network performance.The idea of the proposed approach is that during the route establishment,each of the on-path nodes is provided with pre-computed hash values which have to be used to provide a unique acknowledgement value to the upstream neighbor which acts as a proof of the forwarding activity.The analysis phase results in the detection of nodes which exhibited malicious behavior in the current communication session so as to avoid them in the future communication sessions resulting in an improved packet delivery fraction even in the presence of one or more malicious nodes in the network.The communication overhead incurred is minimum since the acknowledgement reports are sent to the destination for a transmission of N packets rather than an individual acknowledgement for each transmitted packet.In contrast to some of the existing techniques,the proposed mechanism is not dependent on the deployment of additional infrastructure like special Intrusion Detection System(IDS)nodes.The only overhead incurred is in the form of control packets exchanged for the reports request and the reports submission.
文摘飞行自组织网络是由无人机组成的移动自组织网络,其高动态的特性使得网络拓扑结构频繁变化,应用在传统移动自组织网络的路由协议不再适用。因此提出了一种新的基于萤火虫算法(firefly algorithm,FA)的最优化链路状态(optimized link state routing,OLSR)协议FA-OLSR作为飞行自组织网络的路由协议。FA-OLSR协议通过节点之间的链路持续时间信息和链路质量信息衡量节点之间的链路稳定性,将链路稳定性作为选择多点中继(multipoint relay,MPR)集合的准则。此外,FA-OLSR协议使用萤火虫算法设计OLSR协议的MPR选择机制。仿真结果表明,FA-OLSR协议能够提高数据包的传输成功率、减小数据包传输的端到端时延,更适用于飞行自组织网络。
