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Intelligent network flow control method

A technology of network flow and intranet, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of overall network performance degradation, affecting network performance, network performance degradation, etc., to prevent abnormal consumption and guarantee service Quality, the effect of improving service quality

Active Publication Date: 2013-03-20
苏州迈科网络安全技术股份有限公司
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AI Technical Summary

Problems solved by technology

If the traffic exceeds the load capacity of the network, the network performance will be severely degraded
The scheduling of network traffic will also directly affect network performance. Local burst traffic in the network can easily lead to a decline in overall network performance. Different service flows in the network occupy different resources, which will also cause a small number of application flows to consume most of the resources. The situation of network bandwidth seriously affects the utilization of network resources

Method used

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Embodiment Construction

[0017] The present invention uses the DPI deep packet detection engine and firewall (Firewall) engine of the AOS device to identify and identify each incoming and outgoing data packet to determine the intranet user and application type it belongs to. These application types can be For P2P, HTTP, Xunlei, BT, etc., these data packets are classified, and they are temporarily cached in the buffer area dedicated to each user under different application types, and finally these data packets are gradually sent out according to a certain bandwidth control strategy.

[0018] The key technologies involved in the present invention include flow control technologies such as DPI, DFI, CAR (Committed access rate), Deficit round robin (DRR), and Random early detection (RED).

[0019] The present invention discloses an intelligent network flow control method, the specific process of which includes:

[0020] First of all, the present invention needs to clarify the following related concepts:

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Abstract

The invention provides an intelligent network flow control method. The method comprises the steps of identifying and marking data packets which enter and flow out by utilizing a DPI (data processing installation) deep packet detection engine of AOS (advanced operating system) equipment and a firewall engine, so as to determine an intranet user to which the data packets belong and application types, the application types can be P2P (peer-to-peer), HTTP (hyper text transport protocol), thunder, BT (bit torrent) and the like; then classifying the data packets and respectively placing the data packets into cache regions special for users of different application types so as to temporarily cache the data packets; and finally gradually sending out the data packets according to a certain bandwidth control policy. The invention provides a brand-new, stereo and crossed flow control method which is different from the traditional flow control way, provides a technical scheme integrated with bandwidth management, analysis and optimization, can effectively detect and prevent abnormal consumption of abnormal application to network bandwidth resource, guarantees key application bandwidth and limits non-service application bandwidth, thus improving and guaranteeing service quality of the whole network application.

Description

technical field [0001] The invention relates to a new method for intelligently controlling network data flow, in particular to a method for controlling and distributing multi-level and three-dimensional crossover to limited bandwidth resources. Background technique [0002] With the rapid development of the Internet, the data traffic carried by the IP network is increasing, especially the rapid rise of various P2P download software and online videos in recent years, which has brought a series of problems to the normal operation of the network system, among which The most prominent is network congestion caused by excessive network traffic. At the same time, the services provided by the Internet are increasingly diverse and complex, and intelligent control of network traffic is becoming increasingly important. If the traffic exceeds the load capacity of the network, the network performance will be severely degraded. Network traffic scheduling issues will also directly affect...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/823H04L12/813H04L12/851H04L47/20H04L47/32
Inventor 王俊华胡斌
Owner 苏州迈科网络安全技术股份有限公司
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