Congestion and decongestion in a communication network

Details Congestion and decongestion in a communication network Congestion and decongestion in a communication network

2004-04-15

arxiv.org/abs/cond-mat/0404353v1

PHYSICAL REVIEW E 71, 055103(R) (2005)

Physics

Condensed Matter

Statistical Mechanics

submitted to Phys Rev Lett, 3 figures

Scientific paper

10.1103/PhysRevE.71.055103

We study network traffic dynamics in a two dimensional communication network with regular nodes and hubs. If the network experiences heavy message traffic, congestion occurs due to finite capacity of the nodes. We discuss strategies to manipulate hub capacity and hub connections to relieve hub congestion. We find that the betweenness centrality (BC) criterion is useful for identifying hubs which are most likely to cause congestion, and that the addition of assortative connections to hubs of high BC relieves congestion most efficiently.

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