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Universal Behavior of Load Distribution in Scale-Free Networks

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Goh, K.-I., Kahng, B., Kim, D.·2001·Physical Review Letters

Abstract

We study a problem of data packet transport in scale-free networks whose degree distribution follows a power law with the exponent gamma. Load, or "betweenness centrality," of a vertex is the accumulated total number of data packets passing through that vertex when every pair of vertices sends and receives a data packet along the shortest path connecting the pair. It is found that the load distribution follows a power law with the exponent delta approximately 2.2(1), insensitive to different values of gamma in the range, 2 < gamma < or = 3, and different mean degrees, which is valid for both undirected and directed cases. Thus, we conjecture that the load exponent is a universal quantity to characterize scale-free networks.

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Research works printed but not linked: 20

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Cited by

Metadata

Authors
Goh, K.-I., Kahng, B., & Kim, D.
Venue
Physical Review Letters
Published
2001-12-12
Volume
87
Issue
27
Pages
278701-278701
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2062215476
Cited by
1,246
References
3
FWCI
17.87
Type
journal article
Language
en
Open access
green

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