Please use this identifier to cite or link to this item: https://ruomo.lib.uom.gr/handle/7000/998
Title: A Versatile Out-of-Band Software-Defined Networking Solution for the Internet of Things
Authors: Theodorou, Tryfon
Mamatas, Lefteris
Type: Article
Subjects: FRASCATI::Natural sciences::Computer and information sciences
FRASCATI::Engineering and technology::Other engineering and technologies
Keywords: Internet of Things
out-of-band control
software-defined networks
wireless sensor networks
Issue Date: 2020
Source: IEEE Access
Volume: 8
First Page: 103710
Last Page: 103733
Abstract: The Internet of Things (IoT) is gradually incorporating multiple environmental, people, or industrial monitoring deployments with diverse communication and application requirements. The main routing protocols used in the IoT, such as the IPv6 Routing Protocol for Low-Power and Lossy Networks (RPL), are focusing on the many-to-one communication of resource-constraint devices over wireless multi-hop topologies, i.e., due to their legacy of the Wireless Sensor Networks (WSN). The Software-Defined Networking (SDN) paradigm appeared as a promising approach to implement alternative routing control strategies, enriching the set of IoT applications that can be delivered, by enabling global protocol strategies and programmability of the network environment. However, SDN can be associated with significant network control overhead. In this paper, we propose VERO-SDN, an open-source SDN solution for the IoT, bringing the following novelties in contrast to the related works: (i) programmable routing control with reduced control overhead through inherent protocol support of a long-range control channel; and (ii) a modular SDN controller and an OpenFlow-like protocol improving the quality of communication in a wide range of IoT scenarios through supporting two alternative topology discovery and two flow establishment mechanisms. We carried out simulations with various topologies, network sizes and high-volume transmissions with alternative communication patterns. Our results verified the robust performance and reduced control overhead of VERO-SDN for alternative IoT deployments, e.g., achieved up to 47% reduction in network's overall end-to-end delay time compared to RPL and a packet delivery ratio of over 99.5%.
URI: https://doi.org/10.1109/ACCESS.2020.2999087
https://ruomo.lib.uom.gr/handle/7000/998
ISSN: 2169-3536
Other Identifiers: 10.1109/ACCESS.2020.2999087
Appears in Collections:Department of Applied Informatics

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