Title:
ネットワークシステム管理装置、ネットワークシステム管理方法、制御プログラム、および記録媒体
Document Type and Number:
Japanese Patent JP6787161
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a network system management technology that can easily specify an abnormal frame.SOLUTION: A master (10) stores a population (frames Fa to Fd) of reference frames in a storage part (12). When receiving frames (Fw) from a slave (X1), the master (10) determines if the frames (Fw) and the reference frames have the same data pattern, and stores a frame (Fw) having a data pattern not matching that of the reference frames as an abnormal frame.SELECTED DRAWING: Figure 7
Inventors:
Ujiie
Forgiveness
Kenji Sato
Hirohito Mizumoto
Atsushi Uemura
Forgiveness
Kenji Sato
Hirohito Mizumoto
Atsushi Uemura
Application Number:
JP2017019536A
Publication Date:
November 18, 2020
Filing Date:
February 06, 2017
Export Citation:
Assignee:
OMRON Corporation
International Classes:
H04L12/28; H04L69/40
Domestic Patent References:
| JP2012034273A | ||||
| JP2011035664A |
Foreign References:
| WO2014155650A1 | ||||
| US20180157552 |
Attorney, Agent or Firm:
Nao Murakami