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Flow load sharing method and flow load sharing device

A technology of load sharing and traffic distribution, which is applied in the field of communication, can solve problems such as link traffic instability, and achieve the effect of ensuring stability

Inactive Publication Date: 2017-01-11
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] This application provides a method and device for traffic load sharing to solve the problem of unstable link traffic

Method used

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  • Flow load sharing method and flow load sharing device
  • Flow load sharing method and flow load sharing device
  • Flow load sharing method and flow load sharing device

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Embodiment Construction

[0022] In order to make the above objects, features and advantages of the present application more obvious and comprehensible, the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] When a new link is added in the equal-cost network, it is necessary to perform hash calculation on all the traffic again. At this time, the traffic will be randomly distributed to any link on all equal-cost links. The original link has been fully occupied. If the traffic is allocated to the original link at this time, the burden on the original link will be too heavy, while the burden on the new link will be too light, resulting in unsatisfactory link traffic. Stability issue.

[0024] The basic idea of ​​this application is: when there are two or more equal-cost links between network devices, when new traffic joins, it will not affect the traffic on the original link, but The proportion of the r...

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Abstract

The invention provides a flow load sharing method and a flow load sharing device. The flow load sharing method is used for a system having two or more than two equivalence links disposed among network devices, and comprises steps that residual bandwidths of network device ports are acquired; and new flow is allocated to the equivalence links according to the proportion of the residual bandwidths of the ports, and therefore a problem of instable link flow is solved.

Description

technical field [0001] The present application relates to communication technologies, and in particular to a method and device for traffic load sharing. Background technique [0002] Load sharing, also known as load balancing, can expand network bandwidth, increase network throughput, strengthen data processing capabilities, and improve network availability without changing the existing network structure. [0003] At present, load sharing generally adopts the traffic hashing HASH algorithm to perform hash calculation on the traffic, and determine the physical egress of the traffic according to the calculation result. For example: when there are three links in the equivalent network, hash calculation is performed on different flows to obtain different physical egresses of the flows. Contents of the invention [0004] The present application provides a traffic load sharing method and device to solve the problem of link traffic instability. [0005] In order to solve the ab...

Claims

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Application Information

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IPC IPC(8): H04W24/02H04W28/08
CPCH04W24/02H04W28/082
Inventor 晁岳磊吴文汪亮
Owner NEW H3C TECH CO LTD
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