Abstract
Wireless Sensor Network (WSN) is leading to a new paradigm of Internet of Everything (IoE). WSNs have a wide range of applications but are usually deployed in a particular application. However, the future of WSNs lies in the aggregation and allocation of resources, serving diverse applications. WSN virtualization by the middleware is an emerging concept that enables aggregation of multiple independent heterogeneous devices, networks, radios and software platforms; and enhancing application development. WSN virtualization, middleware can further be categorized into sensor virtualization and network virtualization. Middleware for WSN virtualization poses several challenges like efficient decoupling of networks, devices and software. In this paper efforts have been put forward to bring an overview of the previous and current middleware designs for WSN virtualization, the design goals, software architectures, abstracted services, testbeds and programming techniques. Furthermore, the paper also presents the proposed model, challenges and future opportunities for further research in the middleware designs for WSN virtualization.
Highlights
Virtualization creates an environment in embedded and sensor networks, by which efficient sharing of resources, services and networks is achieved
Wireless Sensor Network (WSN) virtualization, middleware can further be categorized into sensor virtualization and network virtualization
The study presented provides an overview of the middleware designs supporting sensor virtualization and network virtualization
Summary
Virtualization creates an environment in embedded and sensor networks, by which efficient sharing of resources, services and networks is achieved. Virtualization combines different hardware and software on a platform along with the network functionalities to control and administrate all the network resources. The goal of virtualization is to provide users with seamless access to the sensor data and efficient utilization of the resources. Virtualization hides all the physical details of the sensors and networks from the user application. User applications feel as if running directly on the hardware. It enables the users, services and applications to interact with each other. Virtualization enables sharing of resources in a secure and energy efficient manner [1]. Virtualizations of networks and sensors have wide application areas that include health care, smart space, structural monitoring, telemedicine, vehicle monitoring, agriculture, industrial, military, environment, smart home, smart city and entertainment
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