An Efficient Approach To Control Congestion
A key problem in communication networks is to understand how to control congestion and maintain a normal and efficient functioning of the networks. Zonghua Liu et al. studied the network congestion and get the result that congestions are more likely to take place at the nodes with high degrees in networks (See Fig. 8), and an efficient approach of selectively enhancing the message-process capability of a small fraction(e.g. 3%) of nodes is shown to perform just as well as enhancing the capability of all nodes.(See Fig. 9)
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