| 摘要 |
PROBLEM TO BE SOLVED: To enable the acquisition of highly accurate flow information according to the necessity, with an effective use of a resource provided in a general-purpose switch, in a traffic information collection device used in a LAN in a data center or the like.SOLUTION: A traffic information collection device (100) includes: congestion detection means (111) for detecting a congestion in either one of a plurality of switches (61-74), disposed in a network, for collecting flow information; resource confirmation means (112) for confirming each residual resource in the plurality of switches; sampling rate set means (113) for setting, when the congestion detection means (111) detects a congestion, a sampling rate related to the flow information to the plurality of switches (61-74) according to each residual resource; and traffic information collection means (114) for collecting traffic information included in each of the flow information, from the plurality of switches.SELECTED DRAWING: Figure 1 |
