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Data transmission method and device based on aggregation link

A data transmission method and technology of aggregating links, applied in the direction of digital transmission system, transmission system, data exchange network, etc., can solve the problem of high link_1 load, waste of physical link bandwidth resources, and inbound port binding without reasonable use of physical Link bandwidth resources and other issues to achieve the effect of avoiding efficiency problems

Active Publication Date: 2015-07-08
XINHUASAN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the ingress port binding method does not make reasonable use of the bandwidth resources of the physical link
For example, when device A only receives data that needs to be sent to device B through the aggregated link from its port_1 and port_2, device A will always choose link_1 to send data; thus resulting in a high load on link_1, and link_2 to link_N are not use, wasting the bandwidth resources of the physical link

Method used

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  • Data transmission method and device based on aggregation link
  • Data transmission method and device based on aggregation link
  • Data transmission method and device based on aggregation link

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Embodiment Construction

[0031] The present invention proposes a data transmission method based on aggregated links, which is applied to a system including a sending end device and a receiving end device, to figure 1 It is a schematic diagram of the application scene of the present invention. When device A sends data to device B, device A is the sending end device, and device B is the receiving end device; when device B sends data to device A, device B is the sending end device, and device B is the sending end device. A is the receiver device.

[0032] It should be noted that there are multiple physical links between the sending end device and the receiving end device, and the multiple physical links are combined into an aggregated link.

[0033] In the present invention, the data flow forwarding table needs to be maintained on the sending end device, and the data flow forwarding table is used to record the corresponding relationship between the key feature information of the data flow and the physica...

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Abstract

The invention discloses a data transmission method and a data transmission device based on aggregation link, wherein the method comprises the steps that a transmitting end device receives data which carries key feature information of the data stream; the transmitting end device queries the data stream transmission table according to the key feature information of the data stream; when the querying result has no matching record, the transmitting end device records a corresponding relationship between the key feature information of the data stream in the data and physical link with the highest residual bandwidth. In the invention, the bandwidth resource of the physical link can be utilized effectively.

Description

technical field [0001] The present invention relates to the technical field of communications, in particular to a data transmission method and device based on aggregation links. Background technique [0002] Link aggregation is to bundle physically independent links together to form a logical link for data forwarding. Such as figure 1 As shown, physical link 1 to physical link N are bundled together to form a logical link from device A to device B, which is an aggregated link. Through this aggregated link, the bandwidth from device A to device B appears as a physical The total bandwidth of link 1 to physical link N. [0003] In the prior art, in order to make full use of all physical links, one of the physical links may be selected for data forwarding according to the ingress port binding mode. Specifically, according to the number of ingress ports and the number of physical links in the aggregated link, the corresponding relationship between the ingress port and the phys...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/891H04L12/24H04L47/41
Inventor 杨柳
Owner XINHUASAN INFORMATION TECH CO LTD