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Your Neighborhood Network (29 Sep 2004)
But building a successful self-managing neighborhood network is a complex problem, because the network is so dynamic. If people turn their systems on and off, that changes the number of available nodes and the network topology. It means that sometimes you'd get a great connection, other times everything turns to fuzz. In addition, the hardware used in a neighborhood mesh network is going to be wildly different from one home to another. This might cause some nodes to get more bandwidth than others.

Qiu, Zhou and Bahl have come up with some original ideas for making mesh networks self-managing. "Our approach is very different from anyone else's," said Bahl

Their idea is to use online trace-driven simulation to recreate the recent performance of the mesh network and then use the simulator to detect faults. Once the simulator accurately represents the behavior of the operational mesh network, the root cause for failure is determined by systematically injecting known faults into the simulator and observing the resulting behavior. All this happens automatically.
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