Middleware 2003

ACM/IFIP/USENIX International Middleware Conference

Rio Othon Palace Hotel

Rio de Janeiro, Brazil

16-20 June 2003

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Full Paper Abstracts

A Flexible Middleware System for Wireless Sensor Networks

Flavia C. Delicato, Paulo F. Pires, Luci Pirmez and Luiz Fernando Rust da Costa Carmo (NCE/UFRJ)

The current wireless  sensor networks (WSN) are assumed to be designed for specific applications,
having data communication protocols strongly coupled to applications. The future WSNs are
envisioned as comprising of heterogeneous devices assisting to a large range of applications.
To achieve this goal, a flexible middleware layer is needed, separating application specific features 
from the data communication protocol, while allowing applications to influence the WSN behavior
for energy efficiency. We propose a service-based middleware system for WSNs. In our proposal,
sensor nodes are service providers and applications are clients of such services. Our main goal is
to enable an interoperability layer among applications and sensor networks, among different sensors 
in a WSN and eventually among different WSN spread all over the world.

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