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Network flow sampling method and system

A network traffic and sampling system technology, applied in the field of communication, can solve problems such as reducing operating costs, inability to use network resources reasonably, and inability to realize NDC remote aggregation, etc., to achieve the effect of reducing operating costs and reducing costs

Inactive Publication Date: 2009-09-30
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The improved sampling technology has the following problems: the cost is increased due to the need to purchase additional high-performance aggregation boards; because each device that needs to support aggregation needs to add an aggregation board, when users need to improve sampling capabilities, they need to Changing the network forwarding equipment will affect the scalability and flexibility; the functions of NDE and NDC are completed on one device at the same time, and the remote aggregation function of NDC cannot be realized, so that network resources cannot be rationally used to reduce operating costs

Method used

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  • Network flow sampling method and system
  • Network flow sampling method and system

Examples

Experimental program
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Embodiment 1

[0029] This embodiment provides a network traffic sampling method, including:

[0030] see figure 1 , the network traffic sampling method of this embodiment includes:

[0031] Step 101: A device with an NDE function collects network traffic according to set rules.

[0032] The NDE function is enabled by the network forwarding device by configuring the corresponding parameters of the NDE function or inputting commands through the network management. The network forwarding device can choose a router or a switch. The network forwarding device collects the traffic according to the logical function of NDE according to the set rules such as collecting a packet every 1000 packets or collecting a packet every 1ms and other time or quantity rules; multiple network forwarding devices can all have the NDE function, And the NDE function can be completed in parallel at the same time.

[0033] Step 102: Transmit the traffic collected by the device with the NDE function to the device with...

Embodiment 2

[0044] Such as figure 2 As shown, this embodiment also provides a network traffic sampling system, including:

[0045] The first network forwarding device is configured to collect network traffic according to set rules;

[0046] The second network forwarding device is connected to the first network forwarding device through an external network, used to receive network traffic, and aggregate the network traffic according to preset rules;

[0047] The network traffic analysis device is used to analyze the aggregated network traffic according to user needs.

[0048] Wherein, the first network forwarding device is a device having an NDE function, and the second network forwarding device is a device having an NDC function, and these two functions are not implemented on the same network forwarding device. In the specific implementation process, the parameters of the network forwarding device can be configured to make it complete different functions. The first network forwarding ...

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Abstract

The invention discloses a network flow sampling method and a network flow sampling system, and belongs to the field of communication. The method comprises the following steps: acquiring the network flow according to a set rule, and sending the network flow through an external network; receiving the network flow, and converging the network flow according to a preset rule; and analyzing the converged network flow according to requirements of users. The network flow sampling system comprises a first network repeater, a second network repeater and a network flow analysis device. The system completes different network flow processing functions through the first network repeater and the second network repeater, and connects the two repeaters for communication through the external network, so that the system reduces the cost of the devices, contributes to expansion and flexible application, and reduces the operation cost due to realization of far-end convergence by using network resources.

Description

technical field [0001] The invention relates to the communication field, in particular to a network flow sampling method and system. Background technique [0002] The rapid development of the Internet provides users with higher bandwidth and predictable quality of service (QoS, Quality of Service). At the same time, users also need more detailed management and billing of the network. For this reason, corresponding technical support is required. . As a statistical and publishing technology based on network flow information, sampling technology can classify and count traffic and resource usage in the network. A typical sampling technology such as network flow sampling technology (Netstream) can be based on various business Manage and bill with different QoS. The Netstream technology mainly includes three logical functions: Netstream Data Export (NDE, Netstream Data Export), Netstream Data Collect (NDC, Netstream Data Collect), and Netstream Data Analyze (NDA, Netstream Data ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L12/56
CPCH04L43/022
Inventor 武绍芸
Owner HUAWEI TECH CO LTD
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