A Middleware Framework for the Web Integration of Sensor Networks

This paper introduces SenSer, a generic middleware framework that allows for the Web access and management of sensor networks by virtualizing their functionalities as services, in a way that is programming language and sensor network development platform independent. We present the SenSer architectural model and provide a concrete Javabased implementation that exposes the framework as two Web services, cleanly separating regular user operations from administration operations. This prototype implementation has been validated with the development of two applications, and evaluated against the initial functional and non-functional requirements, namely modularity, performance and scalability. We have also performed two integration exercises targeting Callas [17] and SWE [3] networks.