COMMUNICATION MONITORING SYSTEM, PRESENTATION DEVICE AND PRESENTATION METHOD THEREOF, ANALYSIS DEVICE, AND RECORDING MEDIUM IN WHICH COMPUTER PROGRAM IS STORED

摘要

The present invention provides a presentation device, etc., with which it is possible to present an alert indicating a network abnormality to an operator in such a manner that the operator can determine the alert more efficiently. A presentation device 1 is provided with a presentation unit 2 which, when a first alert is issued in accordance with an abnormality being detected in a communication network 51 to be monitored, presents similarity information representing similarity calculated on the basis of first information included in communication information that is the cause of the first alert and second information included in communication information pertaining to one or a plurality of second alerts.