Mobility Investigate

Coordinating Resource Usage Through Adaptive Service Provisioning in Wireless Sensor Networks

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Executive Summary

Wireless Sensor Networks (WSNs) exhibit high levels of net-work dynamics and consist of devices with limited energy. This results in the need to coordinate applications not only at the functional level, as is traditionally done, but also in terms of resource utilization. In this paper, the authors present a middleware that does this using adaptive service provisioning. Novel service binding strategies automatically adapt application behavior when opportunities for energy savings surface, and switch providers when the network topology changes. The former is accomplished by providing limited information about the energy consumption associated with using various services, systematically exploiting opportunities for sharing service invocations, and exploiting the broadcast nature of wireless communication in WSNs.

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