Abstract:Overlay routing has emerged as a promising approach to improve reliability and efficiency of the Internet. In this paper, we study the problem of recovery path selection, whose objective is to select a proper one-hop recovery path with minimum cost in path probing and measurement, when the default physical path and the overlay backup path suffer from simultaneous failures. Spurred by the observation that a few relay nodes with high betweenness centrality, which are called Super-Relay nodes, can provide more op… Show more
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