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Traffic mapping method for time-sensitive network

A mapping method, time-sensitive technology, applied in the field of network transmission

Active Publication Date: 2021-08-13
NAT UNIV OF DEFENSE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The defect of this method: all data packets need to be converted by a dedicated network adapter (such as a TSN network card or a TSN gateway) to complete the mapping from standard Ethernet packets to TSN packets
The root cause of this defect is that this method must insert a 4-byte TSN label into the standard Ethernet to complete the traffic mapping

Method used

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  • Traffic mapping method for time-sensitive network
  • Traffic mapping method for time-sensitive network
  • Traffic mapping method for time-sensitive network

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Embodiment Construction

[0046] 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.

[0047] The embodiments of the present invention are written in a progressive manner.

[0048] An embodiment of the present invention provides a flow mapping method for a time-sensitive network. It mainly solves the technical problems of high cost and low performance of traffic mapping in the prior art.

[0049]In the actual application process, according to different use requirements or desired effects, each method step has specific use details, and the speci...

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Abstract

The invention discloses a traffic mapping method for a time-sensitive network. The method comprises the following steps that a first device sends a request message to a network controller according to an IP address of a second device to obtain a TSN label; the first device writes the TSN tag into an IP-MAC table; and the first device communicates with the second device according to the IP address and the TSN label of the second device. According to the technical scheme, in the TSN network, when the first device accesses the opposite-end communication device, the communication between the first device and the opposite-end device can be completed only by calling the TSN label which is obtained from the network controller and stored in the IP-MAC table and combining the TSN label with the IP address of the opposite-end device. The TSN label does not need to be added to each communication data message, and the situation that the flow mapping performance is reduced due to the processing mode is avoided. Therefore, the technical scheme is simple and convenient, and the network flow mapping performance can be remarkably improved.

Description

technical field [0001] The invention relates to the technical field of network transmission, in particular to a traffic mapping method for time-sensitive networks. Background technique [0002] Time-sensitive network (timesensitive network, TSN) is a new industrial communication technology that is being actively promoted by the international industry. Time-sensitive networks allow periodic and aperiodic data to be transmitted in the same network, which makes standard Ethernet have the advantage of deterministic transmission, and has become a widely focused key technology through the manufacturer-independent standardization process. At present, organizations such as IEEE and IEC are formulating the underlying interoperability standards and specifications of TSN-based industrial application networks. TSN is a new-generation network standard based on Ethernet, which has functions such as time synchronization and delay guarantee to ensure real-time performance. [0003] Standa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/725
CPCH04L45/3065
Inventor 全巍黄容孙志刚严锦立李军帅彭锦涛
Owner NAT UNIV OF DEFENSE TECH
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