Nippon Telegraph and Telephone Corporation

Ryosuke Sato

Atsushi Takada

Toshihiko Seki

Kyoko Yamagoe

Naoki Hayashi

A correct data generation deviceincludes: an acquisition unitthat acquires alarm information output from a plurality of devices; a correlation unitthat associates, from the alarm information, alarms whose occurrence times are within a first time width and recovery times are within a second time width, as a group of alarms that have occurred by the same event; and a generation unitthat generates correct data in which identification information of the event is set for each alarm of the group of alarms that has been associated.

Correct answer data generation apparatus, correct answer data generation method and correct answer data generation program

A warning monitoring system includes: a warning information generation unit configured to receive a warning and a ripple warning generated due to the warning, each including a device name and sent by a device configuring a network, determine respective types of the warning and the ripple warning based on messages included in the warning and the ripple warning, and generate warning information in which the warning and the ripple warning are associated with the types; a network configuration database in which configuration information about the network is accumulated; and an interrelation analysis unit including a prior rule that indicates a generation manner of the ripple warning different depending on the type, and configured to acquire specific connection destination information by searching the network configuration database by using target information defined by the prior rule and the device name as keys, and relate the warning and the ripple warning.

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Musashino, Japan

Ryosuke Sato