Network traffic anomaly detection method and apparatus
US11451566B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Nov 27, 2017 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | Aug 11, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/1475
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A network traffic anomaly detection method and apparatus is provided. The method includes: acquiring network flows generated by a network monitoring node within a set period of time; for any one of attributes in the network flows, aggregating the network flows at a set time interval according to the attribute to generate N time sequences with respect to the attribute; determining N samples to be detected corresponding to the network flows according to the N time sequence, calculating respective angular dissimilarity degrees between a first time sequence and N−1 second time sequences corresponding to a first attribute in the other N−1 samples to be detected, and determining a first detection result with respect to the first time sequence; and determining whether each of the samples to be detected is an abnormal data stream according to a detection result.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.