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Title	A Survey Of Network Virtualization Techniques For Internet Of Things Using Sdn And Nfv
ID_Doc	5179
Authors	Alam I.; Sharif K.; Li F.; Latif Z.; Karim M.M.; Biswas S.; Nour B.; Wang Y.
Year	2021
Published	ACM Computing Surveys, 53, 2
DOI	http://dx.doi.org/10.1145/3379444
Abstract	Internet of Things (IoT) and Network Softwarization are fast becoming core technologies of information systems and network management for the next-generation Internet. The deployment and applications of IoT range from smart cities to urban computing and from ubiquitous healthcare to tactile Internet. For this reason, the physical infrastructure of heterogeneous network systems has become more complicated and thus requires efficient and dynamic solutions for management, configuration, and flow scheduling. Network softwarization in the form of Software Defined Networks and Network Function Virtualization has been extensively researched for IoT in the recent past. In this article, we present a systematic and comprehensive review of virtualization techniques explicitly designed for IoT networks. We have classified the literature into software-defined networks designed for IoT, function virtualization for IoT networks, and software-defined IoT networks. These categories are further divided into works that present architectural, security, and management solutions. Besides, the article highlights several short-term and long-term research challenges and open issues related to the adoption of software-defined Internet of Things. © 2020 ACM.
Author Keywords	Internet of Things; network function virtualization; network softwarization; software-defined IoT; software-defined network

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