A Mechanism for Load Balancing Routing and Virtualization Based on SDWSN for IoT Applications

Abstract

Wireless sensor networks (WSN) are important communication components of an internet of things (IoT). With the development of IoT and the increasing number of connected devices, network structure management and maintenance face the serious challenge of energy consumption. By balancing the network load, the energy consumption can be improved effectively. In the conventional WSN architecture, the two prerequisites of the load-balancing mechanism, flexibility and adaptability, are difficult to achieve. softwaredefined networking (SDN) is a novel network architecture that can promote flexibility and adaptability using a centralized controller. In this paper, a novel SDN architecture aimed at reducing load distribution and prolonging lifetime is proposed, which consists of different components such as topology, BS and controller discovery, link, and virtual routing. Accordingly, a new mechanism is proposed for load-balancing routing through SDN and virtualization. Through direct monitoring of the link load information and the network running status, the employed OpenFlow protocol can determine load-balancing routing for every flow in different IoT applications. The flows in different resource applications can be directed to a base station (BS) via various routes. This implementation reduces the exchange of network status and other relevant information. Virtual routing aims to weigh forward nodes and select the best node for each IoT application. The simulation results show the distribution of load over the network in the proposed algorithm and are characterized by the balanced network energy consumption, but also it prolongs network lifetime in comparison to the LEACH, improved LEACH, and LEACH-C algorithms. IoT, load balancing, routing, SDN, WSN. INDEX TERMS

Review and analysis of recent advances in intelligent network softwarization for the Internet of Things

“…In [5], the authors propose a novel mechanism for load balancing routing and virtualization in IoT networks using SDN. The authors recall that load balancing has four main goals: resource utilization, QoS, resilience, and scalability.…”

“…It is growing exponentially [4] as the number of IoT devices is expected to exceed 30 billion by 2025. The huge number of interconnected heterogeneous devices poses new challenges to IoT networks as these devices generate a massive and increasing amount of data [3] [5]. The heterogeneity of IoT is also confirmed by the simultaneous use of different communication technologies (e.g., cellular networks, Wi-Fi, Zigbee), all in a large geographically distributed network.…”

Factory Communications at the Dawn of the Fourth Industrial Revolution

“…Hacer de estas arquitecturas escalables e interoperables en la capa de red constituye un reto tecnológico. Este desafío se enfrenta a través de un protocolo de enrutamiento que satisfaga a los sistemas IoT y con las SDN´s se logra el objetivo, (Hajian et al, 2022) incluyendo mecanismos de control y balanceo del tráfico de las aplicaciones, así como adicionar características de seguridad y calidad en los datos (R. K. Das et al, 2020). Kumar en el artículo 6LE-SDN propone una arquitectura basada en la integración de las redes LoWPAN y las SDN, lo que él nombra como 6LoWPAN-SDN y consiste en un protocolo diseñado para usar las características de redes inalámbricas de corta distancia, desacoplando el plano de control utilizando controladores SDN con el fin de redefinir las tablas de flujo usadas por Open Flow para mejorar la comunicación de los dispositivos IoT con las capas superiores de la arquitectura.…”

CE2RV: Commissioned energy‐efficient virtualization for large‐scale heterogeneous wireless sensor networks

“…MILP reduces the energy consumption level in WSN, which enhances the performance and feasibility of the systems. Sensor nodes are used to transfer data from one end to another 7,8 . Sensor nodes improve the flexibility, security, and cost‐efficiency levels of an application.…”

“…Sensor nodes are used to transfer data from one end to another. 7,8 Sensor nodes improve the flexibility, security, and cost-efficiency levels of an application. Virtualization in sensor networks (VSN) is also used in WSN-based IoT systems.…”