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Load sharing method and device

A technology of load sharing and load information, applied in the field of communication, can solve problems such as user service terminals or service quality degradation, data packets are easily discarded, and cannot protect the transmission of low-priority user data packets, etc., to achieve the effect of transmission protection

Inactive Publication Date: 2013-12-04
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] Under the existing technology, after the network device receives the data message, it puts the data message into the message priority buffer queue, and the transmission sequence of the data message on the link is sorted according to the message priority. When the link is abnormal, such as link failure or link congestion, low-priority user data packets are more likely to be discarded, resulting in the degradation of user service terminals or service quality, and the transmission of low-priority user data packets cannot be protected

Method used

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  • Load sharing method and device

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Embodiment Construction

[0035] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0036] In actual application, the load sharing method provided by the embodiment of the present invention, as a new load sharing method, can be applied to a scenario where data packets are forwarded between two physical devices through a link. figure 1 A schematic diagram of an application scenario of a load sharing method provided by an embodiment of the present invention, as shown in figure 1As shown, there are three links between network device 1 and network device 5, among which the main link passes through network device 2, the backup link 1 passes through network device 3, and the backup link 2 passes through network device 4. Network device 1 is provided with a message forwarding mapping table, which stores the correspondence between message priority and link. When network device 1 receives the data message sent...

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Abstract

The invention relates to a load sharing method and device. The method comprises steps of receiving a data message, and analyzing the data message to obtain a message priority corresponding to the data message; inquiring a massage forward mapping table to obtain an out interface corresponding to the message priority; forwarding the data message to an opposite terminal through a link corresponding to the out interface. By means of the method, the corresponding link is chosen for the massage to achieve transmission according to the message priority, and massage forward paths of different message priorities are controlled.

Description

technical field [0001] The present invention relates to the technical field of communications, in particular to a load sharing method and device. Background technique [0002] In the field of communication, there are many routing technologies, such as Fast Reroute (Fast Reroute, FRR) mechanism, Equal-Cost Multipath Routing Protocol (ECMP) technology, FRR mechanism through link detection protocol, such as Ethernet OAM (Operations, Administration and Maintenance, operation, management and maintenance) protocol to detect the connectivity of the link. When the physical state of the link is abnormal, the link can be quickly switched from the primary link to the backup link; ECMP technology is mainly used Load sharing of links between two network devices. [0003] Under the existing technology, after the network device receives the data message, it puts the data message into the message priority buffer queue, and the transmission sequence of the data message on the link is sorted...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/803
Inventor 丁勇吕祥生鲍磊
Owner HUAWEI TECH CO LTD
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