Invention Grant
- Patent Title: Method for classifying applications and detecting network abnormality by statistical information of packets and apparatus therefor
- Patent Title (中): 通过数据包及其设备的统计信息对应用进行分类和检测网络异常的方法
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Application No.: US12010607Application Date: 2008-01-28
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Publication No.: US07903657B2Publication Date: 2011-03-08
- Inventor: Nobuyuki Nakamura
- Applicant: Nobuyuki Nakamura
- Applicant Address: JP Tokyo
- Assignee: Oki Electric Industry Co., Ltd.
- Current Assignee: Oki Electric Industry Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Rabin & Berdo, P.C.
- Priority: JP2007-023069 20070201
- Main IPC: H04L12/28
- IPC: H04L12/28 ; H04L12/56 ; H04J1/16 ; G01R31/08

Abstract:
In a method for classifying the types of applications on an IP network, packets are received, and statistical information on at least TCP flags and TCP packet sizes of the received packets are gathered to store. On the basis of the statistical information on the stored TCP flags, the applications are classified into two types, while, on the basis of the statistical information on the stored TCP packet sizes, the applications are classified into two other types. Further on the basis of results of the classification; the applications are classified into four types.
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