Reducing network congestion and blocking probability through balanced allocation

M. Luczak, E. Upfal
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引用次数: 21

Abstract

We compare the performance of a variant of the standard dynamic alternative routing (DAR) technique commonly used in telephone and ATM networks to a path selection algorithm that is based on the balanced allocations principle-the Balanced Dynamic Alternative Routing (BDAR) algorithm. While the standard technique checks alternative routes sequentially until available bandwidth is found, the BDAR algorithm compares and chooses the best among a small number of alternatives. We show that, at the expense of a minor increase in routing overhead, the BDAR gives a substantial improvement in network performance in terms of both network congestion and blocking probabilities.
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通过均衡分配减少网络拥塞和阻塞概率
我们比较了电话和ATM网络中常用的标准动态替代路由(DAR)技术的一种变体与基于平衡分配原则的路径选择算法——平衡动态替代路由(BDAR)算法的性能。当标准技术依次检查备选路由直到找到可用带宽时,BDAR算法在少量备选路由中进行比较并选择最佳路由。我们表明,以路由开销的小幅增加为代价,BDAR在网络拥塞和阻塞概率方面都大大提高了网络性能。
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