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A method and device for determining duplicate messages

A technology for repeating messages and messages, applied in the field of telecommunications, can solve the problem of prolonging the processing of messages, and achieve the effects of reducing the development cycle, reducing the number of occupations, and improving the speed.

Active Publication Date: 2019-08-02
KYLAND TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since each message has to go through the repeated process of looking up the table, building the table, and processing the table, it will take several clock cycles, making the delay in processing the message longer

Method used

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  • A method and device for determining duplicate messages
  • A method and device for determining duplicate messages
  • A method and device for determining duplicate messages

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Embodiment Construction

[0042] 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.

[0043] In order to solve the problems in the prior art, an embodiment of the present invention provides a method and device for determining duplicate messages, which improves the speed of determining duplicate messages.

[0044] It should be noted that the embodiment of the present invention can be applied to HSR (High-availability Seamless Redundancy, high reliability seamless redundant ring network) and PRP (Parallel Redundancy Protocol, parallel redundant ne...

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Abstract

The embodiment of the invention provides a method and device for determining a repeated message, applied to the first network device in a redundant loop network. The first network device comprises a first port and a second port, wherein the first port and the second port are used for receiving the messages sent by the second network device. The method for determining a repeated message comprises the following steps: counting the number of the messages received by the first port when the first port receives the first message; judging whether the number of the messages received by the first port is less than or equal to the number of the messages received by the second port or not; determining the first message to be a repeated message if the number of the messages received by the first port is less than or equal to the number of the messages received by the second port. By means of the embodiment of the invention, the speed of determining repeated messages is improved.

Description

technical field [0001] The invention relates to the technical field of telecommunications, in particular to a method and device for determining repeated messages. Background technique [0002] With the advancement of industrial technology, in order to further improve the reliability of industrial Ethernet, the IEC62439-3 protocol stipulates that: the sending end will copy the message to be sent to obtain two identical messages; pass these two messages through Different ports send; when different ports of the receiving end receive these two messages, according to the preset rules, it is judged whether the received message is the original received message or a repeated message, where the original message is the receiving end For the message received for the first time, the repeated message is the same message as the message received for the first time. If the received message is an original message, then forward the received message according to the target IP (Internet Protoc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/26
CPCH04L43/08H04L43/0823
Inventor 樊晓冬
Owner KYLAND TECH CO LTD
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