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Network traffic sampling method, system and electronic device

A technology of network traffic and traffic statistics, which is applied in the field of network traffic sampling methods, systems and electronic equipment, can solve the problems of difficulty, impossibility, and high cost of ASIC implementation, and achieve the effect of avoiding the bottleneck problem of sampling performance

Active Publication Date: 2022-04-12
紫光恒越技术有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, due to the increasing traffic carried by network devices, the information that Netstream needs to count needs to be refined to the flow level. At the same time, the configuration is flexible, and the coupling with the forwarding process of the device is high. very difficult
The current mainstream implementation mainly relies on traffic mirroring to the CPU for soft forwarding processing, or consumes some precious forwarding cores of NP (Network Process Network Processor) chips. Very high, and increasingly unlikely with increasing traffic

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  • Network traffic sampling method, system and electronic device
  • Network traffic sampling method, system and electronic device
  • Network traffic sampling method, system and electronic device

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Embodiment Construction

[0029] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. In the description of the present application, the terms "first", "second" and the like are only used for distinguishing descriptions, and cannot be understood as indicating or implying relative importance.

[0030] In order to further clearly describe the technical solution of the present application, the technical terms involved are now defined as follows:

[0031] Netstream: A flow-based statistical technology that can collect and analyze service traffic on the network. It defines the flow according to the destination IP address, source IP address, destination port number, source port number, protocol number, ToS (Type of Service, type of service), input interface or output interface of the IPv4 message, and the same seven-tuple message belong to the same stream. In addition to collecting statist...

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Abstract

The present application provides a network traffic sampling method, system and electronic equipment. The method includes: receiving data traffic through an interface module, sampling and counting the data traffic, and generating a first-level flow table; The first-level flow table sends the control flow message to the network processor; forwards the control flow message to the central processor through the network processor; performs traffic statistics on the control flow message through the central processor Summarize and generate the second-level flow table. The present application realizes reducing the consumption of network device CPU resources and NP / PP resources by network flow sampling.

Description

technical field [0001] The present application relates to the field of information technology, in particular, to a network traffic sampling method, system and electronic equipment. Background technique [0002] With the continuous development of the Internet market and cloud services, the traffic carried by network equipment is becoming more and more diverse, and the bandwidth is increasing day by day, and the different needs of different services for network equipment have also led to the development of SDN (Software Defined Network, software-defined network), SDN The premise that the controller can achieve better dynamic planning of the path is to have accurate cognition and analysis of the real-time traffic currently carried on the network. Netstream technology happens to be a device traffic collection technology supported by network devices, which can clearly present the detailed traffic conditions carried by each node of the device. Therefore, the status of Netstream te...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L43/022H04L43/028H04L43/0876
CPCH04L43/022H04L43/028H04L43/0876Y02D30/50
Inventor 彭涛王东升王特韩思宇王海莲
Owner 紫光恒越技术有限公司
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