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Message transmission method and device based on equal-cost multipath ecmp

An equal-cost multi-path and message transmission technology, which is applied in the field of ECMP-based message transmission methods and devices, can solve the problem that transmission links cannot evenly share message transmission, and achieve the effect of improving load sharing accuracy

Active Publication Date: 2019-10-25
NANJING ZHONGXING XIN SOFTWARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides an ECMP-based message transmission method and device to at least solve the problem in the related art that transmission links cannot evenly share message transmission

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  • Message transmission method and device based on equal-cost multipath ecmp
  • Message transmission method and device based on equal-cost multipath ecmp
  • Message transmission method and device based on equal-cost multipath ecmp

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Embodiment Construction

[0025] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in conjunction with embodiments. It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict.

[0026] A method for packet transmission based on ECMP is provided in this embodiment, figure 2 is a flow chart of ECMP-based packet transmission according to an embodiment of the present invention, such as figure 2 As shown, the process includes the following steps:

[0027] Step S202, receiving the message, and obtaining the hash value of the message and the base address of the corresponding egress encapsulation table;

[0028] Step S204, obtaining the number of transmission links, and taking the hash value modulo the number of the transmission links to obtain a modulus value;

[0029] Step S206, obtaining packaging information from the export packaging table a...

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Abstract

Disclosed are an equal cost multi-path (ECMP) based packet transmission method and device. The method comprises: receiving a packet, and obtaining a hash value of the packet and a base address of a corresponding export encapsulation table; obtaining a quantity of transmission links, and obtaining a modulus value by performing a modulus operation on the hash value and the quantity of transmission links; obtaining encapsulation information from the export encapsulation table according to the base address of the export encapsulation table and the modulus value; and encapsulating the packet according to the encapsulation information, and sending the packet, to at least resolve the problem in the prior art that transmission links cannot evenly share packet transmission.

Description

technical field [0001] The present invention relates to the field of communications, and in particular, to a packet transmission method and device based on ECMP (Equal Cost Multi-Path, Equal Cost Multi-Path). Background technique [0002] ECMP (Equal Cost Multi-Path, Equal Cost Multi-Path) is a technology to improve the shortest path-based interior gateway routing protocol in IP networks. In the traditional shortest path algorithm, if two or more shortest paths exist at the same time, the algorithm will choose the optimal one. ECMP has been improved, and traffic is distributed among multiple equal-cost paths. After ECMP is deployed on an MPLS (Multi-protocol Label Switching, Multi-Protocol Label Switching) network, it is necessary to meet carrier-class protection switching requirements when a link fails. [0003] In the related art, figure 1 It is a flow chart of a method for message transmission based on ECMP in the related art, such as figure 1 As shown, the message tr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/803H04L12/743H04L12/46
Inventor 谢密张启申孟庆明
Owner NANJING ZHONGXING XIN SOFTWARE CO LTD