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A master control card, a switching system based on multiple backup master control cards and a switching method thereof

A switching system and main control card technology, which is applied in the field of switching controller switching technology, can solve the problems of complex design, high cost, and non-configurable switching time of the main control card, so as to improve the protection ability and reduce the switching time.

Active Publication Date: 2014-10-08
XIEON NETWORKS SARL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for most CPU systems, its design still fails to solve technical problems such as long switching time and unconfigurable main control card, and the design is complicated and costly.

Method used

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  • A master control card, a switching system based on multiple backup master control cards and a switching method thereof
  • A master control card, a switching system based on multiple backup master control cards and a switching method thereof
  • A master control card, a switching system based on multiple backup master control cards and a switching method thereof

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Experimental program
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Embodiment Construction

[0026] Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0027] refer to figure 1 , which shows a schematic flow of hot restart of the first main control card or the second main control card. As known by those of ordinary skill in the art, the hot restart of the main control card means that the system restarts the main control card without cutting off the power supply. After completing the restart process of the main control card, the system will automatically return to the working state and keep the whole system working normally.

[0028] figure 1 In , the hot restart process of the main control card is realized by the following steps:

[0029] (1) Step 100, loading images in the system;

[0030] (2) Step 102, start the application program;

[0031] (3) Step 104, initialize the started application program;

[0032] (4) step 106, the system configuration database in the main control card reads d...

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PUM

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Abstract

The invention discloses a switching system based on a multi-backup main control card, which comprises a first main control card, at least one second main control card and at least one service card. The invention also discloses a switching method based on the multi-backup main control card, which comprises: initializing the second main control card, loading images onto a back end, starting an application program and initializing the application program; powering the first and second main control cards, and transmitting configuration data to the second main control card through the first control card; putting the application program into operation; subdividing the procedures in a golden path, analyzing the configuration data and executing a reconfiguration process; and after the completion of the reconfiguration process, switching from the second main control card to the first main control card. The system and the method based on the multi-backup main control card greatly reduce the time for switching between the first main control card and the second main control card while ensuring the switching stability.

Description

technical field [0001] The invention relates to communication technology, in particular to switching technology of switching controllers with multiple backup main control cards. Background technique [0002] At present, SDH (Synchronous Digital Hierarchy: Synchronous Digital System) usually adopts a "1+1" dual redundancy protection scheme to protect the main control card, that is, when one main control card fails to work normally, the system can switch to another The main control card is used to maintain the normal operation of the system. In this dual-redundant protection technical solution, one main control board is in working state when it is applied with voltage; but the other main control board is not applied with voltage and thus is in a standby state. The latter is only energized and put into operation when it receives a command to switch over to the service. [0003] For the convenience of description, the former main control card is referred to as the "first main ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04J3/08H04L12/437
Inventor 窦锦志吴志远严安方海滨张红星
Owner XIEON NETWORKS SARL