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In this paper, we define three of the key issues that need to be
solved in order to provide efficient management and configuration of
applications and system software in sensor networks: the
distribution and management of roles within the network, efficient
code distribution algorithms, and efficient on-the-fly code update
algorithms for sensor networks. The first issue is motivated by the
increasing heterogeneity of sensor network applications and their
need for more complex (nonhomogeneous) network topologies and
structures. The second one is motivated by the intrinsic energy
constraint issues and, in general, the resource limitation of sensor
networks. Finally, the third one is needed due to the nature of
monitoring applications and optimization needs from applications
that should be able to efficiently incorporate code updates so that
the network can adapt to its surroundings on the fly. In this paper
we present related work and some results for each of these issues as
we have dealt with them within the TinyCubus project.
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