Transmission method and transmission device for performing 1: 1 protection on message in link aggregation group

A technology of a link aggregation group and a transmission method is applied in the field of transmission methods and devices for 1:1 protection of packets in a link aggregation group, which can solve problems such as service packet loss, save time and reduce packet loss. The effect of the possibility of loss

Active Publication Date: 2014-12-31
HANGZHOU CHENXIAO TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since the second port takes a certain amount of time from the aggregation failure to the aggregation success, during this time, the service packets transmitted by both ends of the communication will be lost.

Method used

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  • Transmission method and transmission device for performing 1: 1 protection on message in link aggregation group
  • Transmission method and transmission device for performing 1: 1 protection on message in link aggregation group
  • Transmission method and transmission device for performing 1: 1 protection on message in link aggregation group

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Embodiment Construction

[0055]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0056] Please refer to figure 1 , which shows a flow chart of a message transmission method for 1:1 protection in a link aggregation group provided by an embodiment of the present invention, the message transmission method for 1:1 protection in a link aggregation group can be applied in figure 2 In the service message transmission system shown, the service message transmission system includes a first network element 11, a second network element 12, a first po...

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Abstract

The invention discloses a transmission method for performing 1: 1 protection on a message in a link aggregation group. The transmission method comprises the following steps: receiving a business message by a first port and a second port which are formed in a first network element and are successful in aggregation; determining a main port and a spare port from the first port and the second port; according to an aggregation condition of the main port and an aggregation condition of the spare port, selecting a current working port from the main port and the spare port; distributing the business message to the working port, and sending the business message on a physical link of the working port. By the transmission method, after the main port as the current working port fails, the spare port can be used as the current working port instead of the main port to continue to send the business message, so that the time required by the spare port in the prior art from invalid aggregation to successful aggregation is saved; before the spare port replaces the main port, the business message transmitted before is received, so that the probability of message loss in the aggregation process of the spare port is reduced.

Description

technical field [0001] The present invention relates to the field of network communication related to data transmission, and more specifically, relates to a transmission method and device for 1:1 protection of messages in a link aggregation group. Background technique [0002] A Link Aggregation Group (LAG, Link Aggregation Group) refers to bundling multiple links connected to the same device, so as to increase bandwidth and improve link reliability. The link aggregation group can be divided into load sharing and non-load sharing according to the load sharing type. When using the load sharing method, the main function of the aggregation link group is to increase the bandwidth; when using the non-load sharing method, That is 1:1 protection. [0003] When the link aggregation group is in the non-load sharing mode, two ports are set for the network element in the link aggregation protection group, that is, the first port and the second port. The first port is in the state of a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/711H04L1/22H04L45/247
Inventor 龚挺雄
Owner HANGZHOU CHENXIAO TECH
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