Title:
ANALYSIS DEVICE, ANALYSIS METHOD, ANALYSIS PROGRAM, AND ANALYSIS SYSTEM
Document Type and Number:
WIPO Patent Application WO/2024/024058
Kind Code:
A1
Abstract:
This analysis device (40) stores a linking information DB in which information identifying a user of a VPN is associated with information pertaining to an Outer header of a capsulated packet. The analysis device (40) acquires information from an OpS which is a management system that manages communication apparatuses included in a network. The analysis device (40) updates the linking information DB on the basis of the acquired information from the OpS. The analysis device (40) receives an xFlow packet generated on the basis of a sampled capsulated packet, and including the information pertaining to an Outer header of a capsulated packet and statistical information of a flow including the capsulated packet. The analysis device (40) compares the linking information DB and the information pertaining to an Outer header included in the xFlow packet and identifies the user of a VPN to which the xFlow packet is transmitted.
Inventors:
INOUE SATOMI (JP)
HAYASHI YUHEI (JP)
SUTO ATSUSHI (JP)
HAYASHI YUHEI (JP)
SUTO ATSUSHI (JP)
Application Number:
PCT/JP2022/029185
Publication Date:
February 01, 2024
Filing Date:
July 28, 2022
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
H04L47/2441
Domestic Patent References:
| WO2021095179A1 | 2021-05-20 |
Foreign References:
| JP2021090161A | 2021-06-10 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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