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Load balanced and high-reliability data transmission method across forward and reverse isolation

A data transmission method and reverse isolation technology, applied in the field of cross-forward and reverse isolation load balancing and high reliability data transmission, can solve the problems of data loss, data accumulation, low efficiency, etc., to enhance reliability and improve transmission. Efficiency, simple and convenient installation and configuration

Inactive Publication Date: 2018-03-16
ZHUHAI XUJIZHI ELECTRIFIED WIRE NETING AUTOMATIONCO +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This dual-machine hot backup mode always only has one device to transmit data, which is inefficient. When the amount of data is large, data accumulation is prone to occur, and there will be a short delay when the dual-machine switches between active and standby, which may cause data loss.

Method used

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  • Load balanced and high-reliability data transmission method across forward and reverse isolation
  • Load balanced and high-reliability data transmission method across forward and reverse isolation
  • Load balanced and high-reliability data transmission method across forward and reverse isolation

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Embodiment Construction

[0030] Reference figure 1 , A data transmission method with load balancing and high reliability across forward and reverse isolation of the present invention includes the following steps:

[0031] S1, configure the intranet data distribution module and the extranet data distribution in the intranet environment between the intranet data sending module and the forward isolation device and the extranet environment between the extranet data sending module and the reverse isolation device. Module

[0032] S2, the internal network data distribution module establishes an internal network data link with the forward isolation device, and the external network data distribution module establishes an external network data link with the reverse isolation device;

[0033] Among them, the intranet data link is busy when there is data transmission, and idle when there is no data transmission;

[0034] S3: The internal network data distribution module performs load balancing according to the internal ...

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Abstract

The invention discloses a load balanced and high-reliability data transmission method across forward and reverse isolation. Internal and external network data distribution modules are arranged betweeninternal and external network data transmission modules and forward and reverse isolation devices. Double links are established between the internal and external network data distribution modules andthe forward and reverse isolation devices respectively for processing and distributing the internal and external network data and balancing the load. Thus the data transmission efficiency is greatlyimproved. The health status of the links are also detected by the internal and external network data distribution modules in real time, and faulty links are avoided. Thus the safety and reliability ofdata transmission are improved.

Description

Technical field [0001] The invention relates to a method for transmitting data across isolation, in particular to a method for data transmission across forward and reverse isolation load balancing and high reliability. Background technique [0002] The power system safety protection regulations, in order to strengthen the safety protection of the distribution automation system and ensure the safety of the power monitoring system, special power safety isolation devices must be installed between the production control area (internal network) and the information management area (external network). With the increase in the number of terminals in the distribution automation system and the continuous deepening of information construction, the amount of data generated by the system is increasing exponentially; this will inevitably increase the load of the isolation device, how to control the efficient and highly reliable transmission of the isolation device Data is a difficult problem f...

Claims

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Application Information

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IPC IPC(8): H04L12/803H04L12/851H04L12/865H04L12/26H04L1/22H04L29/06H04L47/6275
CPCH04L1/22H04L43/10H04L47/125H04L47/2433H04L47/6275H04L63/0209
Inventor 徐骏刘国庆卢飞
Owner ZHUHAI XUJIZHI ELECTRIFIED WIRE NETING AUTOMATIONCO
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