On cost-effective communication network designing

On cost-effective communication network designing
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浅谈高性价比的通信网络设计

DOI:
10.1209/0295-5075/89/38003
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发表时间:
2009-10
期刊:
Europhysics Letters
影响因子:
--
通讯作者:
Guo-Qiang Zhang
Guo-Qiang Zhang
中科院分区:
其他
文献类型:
--
作者:
Guo-Qiang Zhang

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如何高效地设计通信网络是网络设计与工程的首要任务。然而,它不是以往大多数研究所认为的单一目标优化过程,即最大限度地提高其传输容量,而是一个多目标优化过程,降低其成本是另一个重要目标。这两个目标通常是相互矛盾的,因为优化一个目标可能会损害另一个目标。在深入研究了网络拓扑结构、节点能力方案和路由算法及其相互作用对这两个目标的影响之后,本文提出了一种系统的方法,通过仔细选择这三个设计方面来实现具有成本效益的设计。只有当路由算法和节点能力方案选择得当时,类ba无标度网络才有可能在这两个目标之间实现良好的权衡。另一方面,随机网络具有成本效益设计的内在特征,特别是在其他方面无法事先确定的情况下。
How to efficiently design a communication network is a paramount task for network designing and engineering. It is, however, not a single objective optimization process as perceived by most previous researches, i.e., to maximize its transmission capacity, but a multi-objective optimization process, with lowering its cost to be another important objective. These two objectives are often contradictive in that optimizing one objective may deteriorate the other. After a deep investigation of the impact that network topology, node capability scheme and routing algorithm as well as their interplays have on the two objectives, this letter presents a systematic approach to achieve a cost-effective design by carefully choosing the three designing aspects. Only when routing algorithm and node capability scheme are elegantly chosen can BA-like scale-free networks have the potential of achieving good tradeoff between the two objectives. Random networks, on the other hand, have the built-in character for a cost-effective design, especially when other aspects cannot be determined beforehand.
DOI: 10.1103/physrevlett.86.3196
发表时间: 2001-04-02
影响因子: 8.6
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