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Link selection method and device

A link selection and link technology, applied in the field of communication, can solve problems such as link load imbalance, and achieve the effect of improving utilization and solving link load imbalance.

Active Publication Date: 2015-09-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a link selection method and device, which can effectively solve the problem of unbalanced link load and improve the utilization rate of link resources

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Embodiment Construction

[0043]In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0044] figure 1 It is a flow chart of Embodiment 1 of the link selection method of the present invention, such as figure 1 As shown, this embodiment provides a link selection method, which may specifically include the following steps:

[0045] Step 101, receiving a message, and selecting an initial link according to the received 5-tuple informati...

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Abstract

An embodiment of the present invention provides a link selection method and device. The method comprises: receiving a message, and selecting an initial link according to the quintuple information of the received message; obtaining the link traffic status of the initial link based on the trunk member traffic status table of a locally maintained trunk where the initial link is located; if the link traffic status of the initial link does not yet reach a preset traffic upper limit, transmitting the message by means of the initial link; if the link traffic status of the initial link reaches the preset traffic upper limit, selecting the optimal link from the trunk based on the trunk member traffic status table to transmit the message. The embodiment of the invention also provides a link selection device. The embodiment of the invention effectively resolves an issue of link load imbalance, and improves utilization of link resources.

Description

technical field [0001] The present invention relates to communication technology, in particular to a link selection method and device. Background technique [0002] In the data center, multiple core switches form a stack (English: stack) device, which is connected to the aggregation switch through a port aggregation (English: TRUNK) link. Among them, TRUNK is also called a link aggregation group (English: Link Aggregation Group , referred to as: LAG). Trunk bundles multiple physical links together as a logical link, that is, the bandwidth of multiple groups of links can be superimposed and used. Trunk technology can realize the mutual backup function of multiple links inside the trunk, that is, when a link in the trunk fails, it will not affect the work of other links, and at the same time, traffic load balancing can be realized among multiple links . When selecting a trunk link, hash (English: hash) is usually performed on the value of the fixed packet characteristic are...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/803
CPCH04L45/24
Inventor 毕思娟潘灏涛
Owner HUAWEI TECH CO LTD