CTrust‐RPL: A control layer‐based trust mechanism for supporting secure routing in routing protocol for low power and lossy networks‐based Internet of Things applications,Transactions on Emerging Telecommunications Technologies

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CTrust‐RPL: A control layer‐based trust mechanism for supporting secure routing in routing protocol for low power and lossy networks‐based Internet of Things applications
Transactions on Emerging Telecommunications Technologies ( IF 2.5 ) Pub Date : 2021-01-26 , DOI: 10.1002/ett.4224
Temur ul Hassan ₁ , Muhammad Asim ₁ , Thar Baker ₂ , Jawad Hassan ₁ , Noshina Tariq ₁

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Internet of Things (IoT) fostered a new epoch of innovation by interconnecting digital devices to make human life more convenient and attractive. These smart objects are largely deployed as low power and lossy networks (LLNs) and use routing protocol for LLNs (RPL) for routing. Unfortunately, it is extremely vulnerable to a large variety of external and internal attacks to cause devastating and calamitous effects. However, this article's scope revolves around internal attacks only, where nodes are already part of a legitimate network. Various trust‐based mechanisms have been proposed to secure the RPL protocol from insider attackers. Existing trust mechanisms cause high energy depletion due to complex computation on the node level, which consequently decreases the performance of LLNs. Therefore, this article presents a novel hierarchical trust‐based mechanism “CTrust‐RPL” by assessing the trust of nodes based on their forwarding behaviors. This study ships complex trust‐related computations to the higher layer, known as the controller, to save computational, storage, and energy resources at the node level. We also compare the proposed mechanism with a state‐of‐the‐art technique called Sec‐trust. Our mechanism demonstrates superior performance in detecting and isolating blackhole attacks. The results depict that CTrust‐RPL detects and isolates 10% more malicious nodes than Sec‐trust in the same time‐lapse. The average packet loss ratio difference is less for our proposed mechanism, with 35% more energy efficiency.

中文翻译：

CTrust‐RPL：一种基于控制层的信任机制，用于支持基于低功耗和有损网络的物联网应用的路由协议中的安全路由

物联网（IoT）通过互连数字设备使人类生活更加便利和有吸引力，从而推动了创新的新纪元。这些智能对象在很大程度上被部署为低功耗和有损网络（LLN），并使用用于LLN（RPL）的路由协议进行路由。不幸的是，它极易受到各种外部和内部攻击的破坏，造成灾难性后果。但是，本文的范围仅涉及内部攻击，在这种情况下，节点已经是合法网络的一部分。已经提出了各种基于信任的机制来保护RPL协议免受内部攻击者的攻击。现有的信任机制由于在节点级别进行复杂的计算而导致高能量消耗，因此降低了LLN的性能。所以，CTrust-RPL ”通过评估基于他们的转发行为节点的信任。本研究将复杂的与信任相关的计算发送到称为控制器的更高层，以节省节点级别的计算，存储和能源。我们还将提议的机制与称为Sec-trust的最新技术进行了比较。我们的机制证明了在检测和隔离黑洞攻击方面的卓越性能。结果表明，与同一时间段内的Sec-trust相比，CTrust-RPL检测和隔离的恶意节点数量增加了10％。对于我们提出的机制，平均丢包率差异较小，而能源效率则提高了35％。

更新日期：2021-03-15

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