Wireless sensor networks (WSNs) are becoming increasingly popular with the advent
of the Internet of things (IoT). Various real-world applications of WSNs such as in smart grids,
smart farming and smart health would require a potential deployment of thousands or maybe
hundreds of thousands of sensor nodes/actuators. To ensure proper working order and network
efficiency of such a network of sensor nodes, an effective WSN management system has to be
integrated. However, the inherent challenges of WSNs such as sensor/actuator heterogeneity,
application dependency and resource constraints have led to challenges in implementing effective
traditional WSN management. This difficulty in management increases as the WSN becomes larger.
Software Defined Networking (SDN) provides a promising solution in flexible management WSNs
by allowing the separation of the control logic from the sensor nodes/actuators. The advantage with
this SDN-based management in WSNs is that it enables centralized control of the entire WSN making
it simpler to deploy network-wide management protocols and applications on demand. This paper
highlights some of the recent work on traditional WSN management in brief and reviews SDN-based
management techniques for WSNs in greater detail while drawing attention to the advantages
that SDN brings to traditional WSN management. This paper also investigates open research
challenges in coming up with mechanisms for flexible and easier SDN-based WSN configuration
Delport, Johannes Petrus(University of Pretoria, 2008-09-19)
Knowledge of a network’s entities and the physical connections between them, a network’s physical topology, can be useful in a variety of network scenarios and applications. Administrators can use topology information for ...
Osanaiye, Opeyemi; Alfa, Attahiru Sule; Hancke, Gerhard P.(Institute of Electrical and Electronics Engineers, 2018)
Wireless sensor networks (WSN) over the years have become one of the most promising networking solutions with exciting new applications for the near future. Its deployment has been enhanced by its small, inexpensive and ...
Gazendam, Albert Dirk(University of Pretoria, 2005-04-07)
The objective of this dissertation is to investigate the factors that influence the design of wide-area wavelength division multiplexing (WDM) optical networks. Wide-area networks are presented as communication networks ...