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Game strategies for distributed denial of service defense in the cloud of things

Journal of Communications and Information Networks 2016年第4期1卷 143-155页

作者： WANG Yichuan ZHANG Yefei HEI Xinhong JI Wenjiang MA Weigang Faculty of Computer Science and Engineering Xi’an University of TechnologyXi’an 710048China

Integration of the IoT(Internet of things)with cloud Computing,termed as the CoT(cloud of things)can help achieve the goals of the envisioned IoT and future *** a typical CoT infrastructure,the data collected from wireless sensor networks and IoTs is transmitted through a SG(Smart Gateway)to the *** bandwidth between an IoT access point and SG becomes a bottleneck for information transmission between the IoT and the *** propose a novel game theory model to describe the CoT attacker,who expects to use minimum set and energy consumption of IoT attack devices to occupy as many bandwidth resources as possible in a given time period;and the defender,who expects to minimize false *** analyzing this model,we have found that the game theory model is a non-cooperative and repeated incomplete information game,and Nash equilibrium is existent,perfected by the *** best strategy for each stage of the attack is to adjust the attack link number dynamically based on the comparison results of value E and turning point E_(0)for each time *** the same time,the defender adjusts the threshold valueβdynamically,based on the comparison results of the Load value and expected value ofαfor each time *** simulation result shows that our strategy can significantly mitigate the harm of a distributed denial of service attack.

关键词： cloud of things network security DDoS attack smart gateway energy consumption

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Towards a Dynamic Virtual IoT Network Based on User Requirements

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Computers, Materials & Continua 2021年第11期69卷 2231-2244页

作者： Faisal Mehmood Shabir Ahmad Israr Ullah Faisal Jamil DoHyeun Kim Department of Computer Engineering Jeju National UniversityJeju63243Korea Department of I.T.Convergence Engineering Gachon UniversitySeongnam-Si461-701Korea Department of Software Engineering University of Engineering&Technology MardanMardan23200Pakistan

The data being generated by the Internet of things needs to be stored,monitored,and analyzed for maximum IoT resource *** Defined Networking has been extensively utilized to address issues such as heterogeneity and ***,for small-scale IoT application,sometimes it is considered an inefficient *** paper proposes an alternate lightweight mechanism to the design and implementation of a dynamic virtual network based on user *** key idea is to provide users a virtual interface that enables them to reconfigure the communication flow between the sensors and actuators at *** throughput of the communication flow depends on the data traffic load and optimal *** can reconfigure the communication flow,and virtual agents find the optimal route to handle the traffic *** virtual network provides a user-friendly interface to allow physical devices to be mapped with the corresponding virtual *** proposed network is applicable for all systems that lie in the Internet of things *** conclude that the proposed network is efficient,reliable,and responsive to network reconfiguration at runtime.

关键词： Internet of things software-defined networks virtual network inter-process communication cloud of things

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A survey on the adoption of blockchain in IoT:challenges and solutions

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Blockchain(Research and Applications) 2021年第2期2卷 1-49页

作者： Md Ashraf Uddin Andrew Stranieri Iqbal Gondal Venki Balasubramanian Internet Commerce Security Laboratory Federation University AustraliaMount HelenBallaratVIC3350Australia

Conventional Internet of things(IoT)ecosystems involve data streaming from sensors,through Fog devices to a centralized cloud *** that arise include privacy concerns due to third party management of cloud servers,single points of failure,a bottleneck in data flows and difficulties in regularly updating firmware for millions of smart devices from a point of security and maintenance *** technologies avoid trusted third parties and safeguard against a single point of failure and other *** has inspired researchers to investigate blockchain’s adoption into IoT *** this paper,recent state-of-the-arts advances in blockchain for IoT,blockchain for cloud IoT and blockchain for Fog IoT in the context of eHealth,smart cities,intelligent transport and other applications are ***,research gaps and potential solutions are also presented.

关键词： Blockchain technology Consensus mechanism Blockchain cryptographic primitives healthcare Patient monitoring cloud of things Internet of things Fog of things Software defined network Blockchain applications

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