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摘要

PROBLEM TO BE SOLVED: To reduce the time for determining the estimated value T of the amount of traffic to the ground even in a large-scale network.;SOLUTION: The device for estimating the traffic to the ground divides the topology of a network into a plurality of blocks. Routing information and link traffic information are divided for each block. On the basis of the divided routing information and link traffic information for each block, the estimated amount of the traffic to the ground (the estimated amount of the traffic to the ground for each block) is calculated. For estimating the value of each traffic to the ground of the network, the estimated amount of the traffic to the ground for each block is integrated.;COPYRIGHT: (C)2011,JPO&INPIT