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Joint anti‐attack scheme for channel assignment in multi‐radio multi‐channel wireless mesh networks

机译：多无线电多信道无线网状网络中信道分配的联合防攻击方案

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Nowadays, multi‐radio multi‐channel wireless mesh networks have been widely exploited to provide high‐speed Internet access. By assigning different channels, the interference between wireless mesh network nodes can be greatly reduced, leading to a better network performance. However, the channel assignment attacks have imposed a serious security problem, where the diverse messages, that is, Channel Usage Message (CUM), Channel Change Message (CCM), Channel Switch Operation (CSO) and Security Alarm Message (SAM), are often used to launch attacks by the malicious nodes in order to disturb the normal channel assignment and thus the overall network performance. In this paper, we propose a joint anti‐attack scheme (JAS) against the channel assignment attacks. Our JAS is composed of four key components: CUM, CCM, CSO and SAM defense schemes to protect the channel assignment. The CUM defense scheme verifies the CUM messages and their sender. The CCM defense scheme employs three rounds of CCM verifications. Furthermore, three control messages are exploited by the CSO defense scheme. The SAM defense scheme offers two rounds of verification for the alarm messages. Moreover, we apply our JAS to a popular distributed channel assignment algorithm, that is, Hyacinth. Through extensive simulation, the performance of the proposed scheme is evaluated by comparing with SeCA and SmartC in terms of G o o d p u t and additional overhead. Observed from the simulation results, our scheme is demonstrated to outperform the best‐known secure channel assignment algorithms. Copyright ? 2014 John Wiley & Sons, Ltd. In HYA‐JAS, we use the CHNL_USAGE verification module before processing to prevent a channel usage message attack and the CHNL_CHANGE verification module to defend a channel change message attack. Moreover, the channel scan verification is also designed to detect a channel switch operation attack. Then, the filtering module is exploited in the system to record the bad reputation value of the malicious nodes in order to protect channel assignment against the continuous?attacks.
机译：如今，多无线电多通道无线网状网络已得到广泛利用，以提供高速Internet访问。通过分配不同的信道，可以大大减少无线网状网络节点之间的干扰，从而带来更好的网络性能。但是，信道分配攻击带来了严重的安全问题，其中各种消息，即信道使用消息（CUM），信道更改消息（CCM），信道切换操作（CSO）安全警报消息（SAM）和安全警报消息（SAM）通常用于发起恶意节点的攻击，以扰乱正常的信道分配，从而破坏整体网络性能。在本文中，我们提出了针对信道分配攻击的联合防攻击方案（JAS）。我们的JAS由四个关键组件组成：CUM，CCM，CSO和SAM防御方案，以保护通道分配。 CUM防御方案验证CUM消息及其发送者。 CCM防御方案采用了三轮CCM验证。此外，CSO防御方案利用了三个控制消息。 SAM防御方案为警报消息提供了两轮验证。此外，我们将JAS应用于流行的分布式通道分配算法，即Hyacinth。通过广泛的仿真，通过与SeCA和SmartC在 G o o d p u t和额外的开销。从仿真结果可以看出，我们的方案表现出优于最著名的安全通道分配算法。版权？ 2014 John Wiley＆Sons，Ltd.在HYA‐JAS中，我们在处理以防止频道使用消息攻击之前使用CHNL_USAGE验证模块，并在捍卫频道更改消息攻击之前使用CHNL_CHANGE验证模块。此外，通道扫描验证还旨在检测通道切换操作攻击。然后，在系统中利用过滤模块来记录恶意节点的不良信誉值，以保护信道分配免受连续攻击。

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