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Fast Self-Healing Gradients

Author(s)
Beal, Jacob; Bachrach, Jonathan; Vickery, Dan; Tobenkin, Mark
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DownloadMIT-CSAIL-TR-2007-050.pdf (1.323Mb)
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MIT-CSAIL-TR-2007-050.ps (19.26Mb)
Other Contributors
Mathematics and Computation
Advisor
Gerald Sussman
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Abstract
We present CRF-Gradient, a self-healing gradient algorithm that provably reconfigures in O(diameter) time. Self-healing gradients are a frequently used building block for distributed self-healing systems, but previous algorithms either have a healing rate limited by the shortest link in the network or must rebuild invalid regions from scratch. We have verified CRF-Gradient in simulation and on a network of Mica2 motes. Our approach can also be generalized and applied to create other self-healing calculations, such as cumulative probability fields.
Date issued
2008-03
URI
http://hdl.handle.net/1721.1/39418
Other identifiers
MIT-CSAIL-TR-2007-050
Keywords
amorphous computing, spatial computing, spatial computer

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