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Multilevel aggregation-based abnormal flow control method and system

A technology for abnormal traffic and control systems, applied in transmission systems, digital transmission systems, data exchange networks, etc., to achieve the effects of improving network bandwidth utilization, reducing bandwidth waste, and improving usage efficiency

Inactive Publication Date: 2009-06-17
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Existing technologies cannot meet the above requirements

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  • Multilevel aggregation-based abnormal flow control method and system
  • Multilevel aggregation-based abnormal flow control method and system
  • Multilevel aggregation-based abnormal flow control method and system

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Embodiment Construction

[0045] The present invention provides a brand-new A.M.A.T (Aggregates-Oriented Multi-Levels Anomaly Traffic Control Mechanism in Router) method and system based on multi-level aggregation, which has high detection efficiency and detection accuracy. The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0046] The abnormal flow control system based on multi-level aggregation of the present invention includes the following subsystems:

[0047] Abnormal traffic identification subsystem: It mainly performs data sampling for different occasions, and performs address aggregation through one-time address aggregation and its improved algorithm, and cusum algorithm. The subsystem uses advanced identification algorithms and uses historical information tables to increase the accuracy of attack judgments. At the same time, it also uses anti-shake algorithms in the address aggregation algorithm to judg...

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Abstract

The invention relates to an abnormal flux control system based on multistage accumulation, wherein it comprises following subsystems: abnormal flux recognize subsystem for sampling data and accumulating address; abnormal flux classifying rule automatic generating subsystem for designing accumulation mode, accumulating second mode, packing class and data management; abnormal flux match and reject method executing subsystem for based on the result of second mode accumulation setting different priorities on the speed limit of each accumulation, and using quick method to limit the abnormal accumulation. The invention also provides a relative control method. The invention process first address accumulation and second mode accumulation analysis on the data, to reduce the bandwidth waste on transmission attach flux, to improve utilization of route and bandwidth utilization.

Description

technical field [0001] The invention relates to the routing technology in computer network and telecommunication network, in particular to the technology of detecting and preventing abnormal traffic on the router. Background technique [0002] With the expansion of the network scale, due to the open structure of the network and the TCP / IP protocol itself that constitutes the Internet (Internet) does not take security into consideration, the network security problem has become a major problem that network operators must face and solve. At present, various open hacking tools are flooding on the Internet, and only a little network knowledge is required to easily complete the destruction of the network. Therefore, monitoring and controlling the use of network bandwidth is a very important topic. [0003] Traditional network security technologies focus on system-level intrusion detection, anti-virus and firewalls of user networks. Such security measures usually cannot reduce abn...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L47/41
Inventor 陈建业李斌孙知信宫婧
Owner ZTE CORP