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Edge-disjoint spanning trees for the generalized butterfly networks and their applications

机译:广义蝶形网络的边不相交生成树及其应用

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The generalized butterfly GBN(d, n) has recently gained some interest as a point-to-point interconnection network rather than the well known multi-stage butterfly networks. We construct edges-disjoint spanning trees (abbreviated EDSTs) for the GBN(d, n). Our construction is based on the decomposition of the GBN(d, n) into d~n vertex-disjoint cycles of length n. As an application, we propose an efficient broadcasting algorithm and its fault-tolerant version for the GBN(d, n). Our fault-tolerant broadcasting algorithm is optimal in terms of fault-tolerance, because it resists 2d - 1 edge failures (2d is the degree of the GBN(d, n)). We also propose an efficient scattering algorithm and its fault-tolerant version which resists 2d - 3 edge faults.
机译:作为点对点互连网络而不是众所周知的多级蝶形网络,广义蝶形GBN(d,n)最近引起了人们的兴趣。我们为GBN(d,n)构造不相交的生成树(简称EDST)。我们的构造基于GBN(d,n)分解为长度为n的d〜n个顶点不相交的循环。作为一种应用,我们为GBN(d,n)提出了一种高效的广播算法及其容错版本。我们的容错广播算法在容错方面是最佳的,因为它可以抵抗2d-1边缘故障(2d是GBN(d,n)的度)。我们还提出了一种有效的散射算法及其抗2D-3边缘故障的容错版本。

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