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Method and device for ageing original flow, and network flow output and network flow system

An original flow and aging processing technology, applied in the field of NetStream, can solve the problems of active original flow aging, unable to ensure full utilization of table entry resources, waste of flow construction resources, etc., to avoid repeated flow construction.

Inactive Publication Date: 2007-08-29
HUAWEI TECH CO LTD
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Problems solved by technology

[0006] Although using this method can free up space for new original streams, due to continuous aging without selection, active original streams may also be aged, so it may be necessary to re-establish aged streams, thus wasting flow creation resources, which reduces the processing efficiency of the system; furthermore, when the original flow is continuously aged, the inactive original flow may not be aged, so the inactive original flow continues to occupy table entry resources, and the full utilization of table entry resources cannot be guaranteed

Method used

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  • Method and device for ageing original flow, and network flow output and network flow system

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no. 1 example

[0023] As shown in Figure 1, the first embodiment of the method of the present invention mainly includes:

[0024] Step 101. Determine that the entry space of the original flow table meets the preset condition;

[0025] When the number of entries in the original flow table reaches a certain level, it may not be able to cope with sudden network traffic. Therefore, the preset conditions are set. When the number of entries in the original flow table reaches a certain level or idle entries When the number of entries is less than a certain level, follow-up processing will be performed. For example, if the entry space of an original flow table is 1000 entries, the preset condition can be set as the number of used entries exceeds 800 or the number of free entries is less than 200. . Of course, the specific settings can be comprehensively considered according to the network situation and the size of the table entry space; for example, a network with frequent bursts of large traffic, ...

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Abstract

Method for aging primary flow includes steps: determining whether list item space of primary flow list is accorded with presetting condition; if yes, updating the not active time (NAT) to prearranged NAT corresponding to the presetting condition; selecting primary flow with NAT not smaller than prearranged NAT from the primary flow list, and carrying out aging process for the primary flow. When list item space of primary flow list is not enough, the invention lowers NAT in order to speed up aging not active primary flow so as to make the most of using limited list item space of primary flow list.

Description

technical field [0001] The invention relates to NetStream technology, in particular to a method and device for aging original streams, a NetStream exporter and a NetStream system. Background technique [0002] The rapid development of the Internet provides users with higher bandwidth and predictable QoS (Quality of Service, Quality of Service). At the same time, users also need more detailed management and billing of the network. technology. NetStream technology is such a statistics and publishing technology based on network flow information. It can classify and count traffic and resource usage in the network, and manage and charge based on various services and different QoS. NetStream mainly provides the following applications: accounting, network planning and analysis, network monitoring, application monitoring and analysis, and user monitoring and analysis. [0003] The NetStream system mainly includes three devices: NDE (NetStream Data Exporter, Netstream Output Device...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L12/26H04L12/14H04L12/56H04L12/801
Inventor 梅继红
Owner HUAWEI TECH CO LTD
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