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Hierarchical routing is a promising approach for point-to-point routing with very small routing state. While there are many theoretical analyses and high-level simulations demonstrating its benefits, there has been little work to evaluate it in a realistic wireless sensor network setting. Based on numerous proposed hierarchical routing infrastructures, the paper develops a framework that captures the common characteristics of the infrastructures and identifies design points where the infrastructures differ. The paper then evaluates the implementation of the framework in TOSSIM and on a 60-node testbed. The paper demonstrates that from the practical perspective hierarchical routing is also an appealing routing approach for sensor networks.
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