The steiner problem in distributed computing systems

The steiner problem in distributed computing systems
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分布式计算系统中的斯坦纳问题

DOI:
10.1016/0020-0255(93)90128-9
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发表时间:
1993
期刊:
Inf. Sci.
影响因子:
--
通讯作者:
M. Kuo
M. Kuo
中科院分区:
--
文献类型:
--
作者:
Gen;Michael E. Houle;M. Kuo

文献摘要

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本文提出了一种分布式算法,用于在由加权通信图G=(V,E,c)表示的异步网络中构造近最优Steiner树。所得到的解与任何给定的最小代价Steiner树T min的最坏情况代价比为2(1 - 1 l),其中l是T min的叶子数。该算法的消息复杂度为O(|E| +| V| 1999年,|V| + log| V|)),时间复杂度为O| V| *| V|),其中S是G的要连接的节点的子集。
A distributed algorithm is presented for constructing a nearly optimal Steiner tree in an asynchronous network represented by a weighted communication graph G=(V, E, c). The worst-case cost ratio of the obtained solution to any given minimum-cost Steiner tree T min is 2 (1− 1 l), where l is the number of leaves of T min. The message complexity of the algorithm is O (| E|+| V|∗(| V|+ log| V|)) and the time complexity is O| V|*| V|), where S is the subset of nodes of G to be connected.