DETECTION APPARATUS, DETECTION METHOD, AND DETECTION PROGRAM

摘要

It is provided a detection apparatus including: a first storage module configured to store logs about traffic between communication apparatus and, when a consumed storage capacity reaches a given level or higher, delete the stored logs starting from an oldest log; a calculation module configured to refer to specific logs about specific traffic that is related to a subject of communication quality monitoring from the logs stored in the first storage module, thereby calculating a group of time-series statistical values about communication quality of the monitoring subject; a detection module configured to compare the group of time-series statistical values with a threshold, thereby detecting communication quality deterioration of the monitoring subject; and a saving module configured to obtain, when communication quality deterioration of the monitoring subject is detected, the specific logs from the first storage module and store the specific logs in a second storage module.

主权项

1. A detection apparatus, including:
a first storage module configured to store logs about traffic between communication apparatus and, when a consumed storage capacity reaches a given level or higher, delete the stored logs starting from an oldest log; a calculation module configured to refer to specific logs about specific traffic that is related to a subject of communication quality monitoring out of the logs stored in the first storage module, thereby calculating a group of time-series statistical values about communication quality of the monitoring subject; a detection module configured to compare the group of time-series statistical values calculated by the calculation module with a threshold for communication quality deterioration of the monitoring subject, thereby detecting communication quality deterioration of the monitoring subject; and a saving module configured to obtain, when communication quality deterioration of the monitoring subject is detected by the detection module, the specific logs from the first storage module and store the specific logs in a second storage module.