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Redundant hot standby platform

A platform and hot-standby technology, applied in digital transmission systems, electrical components, error prevention, etc., can solve problems such as unfavorable system safety and fault judgment, no two-system comparison function, and reduced application time, so as to increase the number of applications reserved. The effect of reducing the time occupied by synchronization is helpful for fault judgment

Inactive Publication Date: 2017-05-10
TIANJIN TRAFFIC CONTROL TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0007] The solution of the traditional redundant hot standby platform relies heavily on the hardware platform, which increases the difficulty of maintenance and affects the availability; the synchronization between the two systems adopts the soft synchronization method, that is, the synchronization of the two systems is realized based on information interaction, which is not conducive to system security and fault judgment ;The backup system simply follows the key data of the main system, and there is no comparison function between the two systems, which may cause the main system to go down and the backup system may output wrong data due to the lack of key data of the main system
It takes a lot of time for the main system to follow the data to the backup system synchronously every cycle, resulting in relatively less time left for the application by the platform

Method used

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Embodiment Construction

[0042] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are invented. 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] see figure 2 , this embodiment discloses a redundant hot standby platform, including a main system and a backup system, and also includes:

[0044] Arbitration module 1; where,

[0045] The arbitration module 1 shown in the figure communicates bidirectionally with the main board A, the backup main board B, and the output module 2 of the redundant hot standby p...

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Abstract

The invention discloses a redundant hot standby platform comprising a master system, a backup system and an arbitration module, wherein the arbitration module performs bidirectional communication with a motherboard of the master system, the motherboard of the backup system and an output module of the redundant hot standby platform, the platform imports a third party synchronous management functional module to add an input and output data comparison function, a period synchronization function, a following function, an automatic recovery function after downtime for the redundant hot standby platform, and the availability of the redundant hot standby platform is effectively enhanced on the premise of ensuring the security.

Description

technical field [0001] The invention relates to the technical field of redundant hot standby platforms, in particular to a redundant hot standby platform. Background technique [0002] The hardware structure of the traditional redundant hot standby platform includes independent power supplies, input modules, main boards and output modules shared by the main and standby systems. The hardware structure diagram is as follows: figure 1 shown. The switching output of the main and standby systems is realized by relying on the relay of the link output board. [0003] Mainboard A and mainboard B realize cycle synchronization, data follow-up, link refresh, active-standby status management and other functions through the main-standby channel; The hard wire of B, when the system is powered on, it will read the state of the hard wire during the initialization phase to determine the state of the motherboard. The system can only default one as the main system and the other as the backu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/22H04L12/24
CPCH04L1/22H04L41/0654H04L41/0661
Inventor 张正亮
Owner TIANJIN TRAFFIC CONTROL TECH CO LTD
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