NETWORK MONITORING APPARATUS, NETWORK MONITORING METHOD, AND NETWORK MONITORING PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a network monitoring apparatus, a network monitoring method, and a network monitoring program which make it possible to collect the amount of a traffic distributed in AS which is out of a monitoring target.

SOLUTION: A network monitoring apparatus comprises: a flow information collecting unit for collecting flow information including transmission destination information of a traffic and a traffic amount from an autonomous system which is a monitoring target; a routing information collecting unit for collecting routing information including the transmission destination information of the traffic and a route of the autonomous system which the traffic goes through from the autonomous system which is the monitoring target; and a traffic tabulation unit for tabulating the traffic amount with respect to each autonomous system by adding the traffic amount of the flow information including the transmission destination information corresponding to the transmission destination information included in the routing information collected by the routing information collecting unit in the flow information collected by the flow information collecting unit.

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