Enhancing network transmission capacity by efficiently allocating node capability

被引:33
|
作者
Zhang, Guo-Qing [1 ,2 ]
Zhou, Shi [3 ]
Wang, Di [1 ,2 ]
Yan, Gang [4 ]
Zhang, Guo-Qiang [1 ]
机构
[1] Chinese Acad Sci, Inst Comp Technol, Beijing, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing, Peoples R China
[3] UCL, Dept Comp Sci, London WC1E 6BT, England
[4] Natl Univ Singapore, Temasek Labs, Singapore 117411, Singapore
基金
中国国家自然科学基金; 英国工程与自然科学研究理事会;
关键词
Network; Transmission capacity; Traffic flow simulation; Network modelling; Power law; Network topology; Betweenness; INTERNET; COMMUNICATION; TOPOLOGY;
D O I
10.1016/j.physa.2010.09.022
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A network s transmission capacity is the maximal rate of traffic inflow that the network can handle without causing congestion Here we study how to enhance this quantity by allocating resource to individual nodes while preserving the total amount of the resource available We propose a practical and effective scheme which redistributes node capability based on the local knowledge of node connectivity We show that our scheme enhances the transmission capacity of networks with heterogeneous structures by up to two orders of magnitude (C) 2010 Elsevier B V All rights reserved
引用
收藏
页码:387 / 391
页数:5
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