Method for carrying out data flow analysis and management on network appliance

A technology for data flow and network equipment, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve the problems of large CPU resources, large data volume, lack of data aggregation mechanism, etc., to reduce coarse-grained, IP billing detailed effect

Active Publication Date: 2008-12-31
SHANGHAI BAUD DATA COMM
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  • Abstract
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Problems solved by technology

However, the current network traffic analysis and management systems have significant technical limitations: for using the SNMP protocol to manage and monitor the network traffic of key links and network connection points in and out of the network, the data packet information it collects is very rough. , there are both customer service information at the network layer, frame header information at the data link layer, and the payload field of the data load. The most critical thing is that the different service flows in the network layer cannot be distinguished by using the SNMP protocol. The flow direction of data packets cannot be analyzed; for the analysis and management of traffic using the RMON protocol, although the technical limitatio

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  • Method for carrying out data flow analysis and management on network appliance
  • Method for carrying out data flow analysis and management on network appliance

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Embodiment Construction

[0028] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0029] According to the technical scheme in the content of the invention above, the system flow in its implementation process is as follows: figure 1 shown. Its essence is to apply a new type of IPFLOW data flow; the data flow is a data flow including source IP address (srcIP), destination IP address (dstIP), source port number (srcPort), destination port number (dstPort), protocol type (protocol ), the type of service (ToS), and the 7-tuple of the input interface (Ifindex) to define;

[0030] In a normal network environment, whenever a router or layer-3 switch receives a data packet, it will scan the 7-tuple in the data packet to determine whether the packet belongs to an existing flow, and update the corresponding flow record if it already ex...

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Abstract

The invention discloses a method for carrying out data flow analysis management on network equipment. The method overcomes the technical limitations of the current network management system to network flow and flow direction analyzing function, can not only carry out statistics to network bandwidth utilization rate with high efficiency, but also carry out analysis and statistics to the flow and the flow direction of businesses of different types. Therefore, after being adopted, the method of the invention can not only provide a solving proposal for IP charging, but also provide a network security detection tool for enterprises and network administrators; in addition, a plurality of specific convergence manners are allocated in a router or an exchanger terminal, thus greatly reducing flow coarseness sent to the administration server of a network management center and ensuring that the processing capability of a management system can adapt to the increase of network scale in the future.

Description

Technical field: [0001] The invention relates to the field of computer data communication, and mainly relates to a method for analyzing and managing data flow on network equipment. Background technique: [0002] In recent years, China's Internet business has developed rapidly, especially the rapid growth of multimedia services such as video and voice. The IP network has also changed from a single data network to a multi-service integrated digital network, resulting in complex and diverse network data. sex. Under this trend, in order to ensure a stable, safe and efficient network operation environment, people hope to manage the network efficiently and reasonably. For network administrators, they are eager to monitor users' network application behavior in real time and effectively plan and deploy network resources; for network operators, they hope to be able to timely and accurately monitor the network and various services it carries. and flow analysis, timely grasp the load...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L29/02H04L47/41
Inventor 汪革钟吉林
Owner SHANGHAI BAUD DATA COMM
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