Abstract
The Internet of Things (IoT) is imminent technology grabbing industries and research attention with a fast stride. Currently, more than 15 billion devices are connected to the Internet and this number is expected to reach up to 50 billion by 2020. The data generated by these IoT devices are immensely high, creating resource allocation, flow management and security jeopardises in the IoT network. Programmability and centralised control are considered an alternative solution to address IoT issues. On the other hand, a Software Define Network (SDN) provides a centralised and programmable control and management for the underlying network without changing existing network architecture. This paper surveys the state of the art on the IoT integration with the SDN. A comprehensive review and the generalised solutions over the period 2010-2016 is presented for the different communication domains. Furthermore, a critical review of the IoT and the SDN technologies, current trends in research and the futuristic contributing factors form part of the paper. The comparative analysis of the existing solutions of SDN based IoT implementation provides an easy and concise view of the emerging trends. Lastly, the paper predicts the future and presents a qualitative view of the world in 2020.
Highlights
The emergence of new technologies and communication networks offer new connectivity scenarios among every physical object
This domain specific applications and service attribute a horizontal view of the Internet of Thing (IoT) network such as appliances and applications for smart home management, smart health care unit implanted on the body or wearable sensors for health monitoring
This paper briefly describes the Long Term Evaluation (LTE) network, M2M communication and an integration of LTE and D2D based on Software Define Network (SDN) in term of context-aware monitoring of LTE eNodeB that is responsible for allocating radio resources and scheduling traffic according to the QoS LTE network.The collected contextual information of LTE network, in the case of link failure or change in the network, is sent to the Context Aware Application (CAA) running on the M2M server where SDN controller can react to this change, reconfigure LTE network and allocate LTE resources in a flexible fashion
Summary
The emergence of new technologies and communication networks offer new connectivity scenarios among every physical object. Machine-to-Machine (M2M), Device-toDevice (D2D), Vehicle-to-Vehicle (V2V), wireless sensor network, actuators, smartphone, embedded devices and even connections among infrastructures are developing new connectivity scenarios. These devices will be allegedly connected to the Internet and will create a heterogeneous system of interconnected objects; called the Internet of Thing (IoT), and in broader sense Internet of Everything (IoE) [1]. As the IoT implementation expectancy exceeds the limits of traditional network e.g., Virtual Private Network (VPN), the SDN promise to hold the traditional network with new service demands At this stage, technology shift is highly intention grabbing a task from the researchers and developers in industries and organisations.
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