Method and device for improving inter-board data channel reliability by means of single board of distributed system

A distributed system and data channel technology, which is applied to the single board of the distributed system to improve the reliability of the inter-board data channel, can solve the problem of interruption of user business, and achieve the effect of ensuring uninterrupted

Active Publication Date: 2016-05-18
NEW H3C TECH CO LTD
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Problems solved by technology

However, if there is a chip failure in the data channel, this method will not work, and the data channel will always be blocked, and the user business will only be interrupted all the time.

Method used

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  • Method and device for improving inter-board data channel reliability by means of single board of distributed system
  • Method and device for improving inter-board data channel reliability by means of single board of distributed system
  • Method and device for improving inter-board data channel reliability by means of single board of distributed system

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Embodiment Construction

[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below through specific embodiments and with reference to the accompanying drawings.

[0029] In order to solve the technical problem in the prior art that user services are interrupted due to data channel failures between boards, an embodiment of the present invention provides a method for improving the reliability of data channels between boards in a distributed system, so as to When the data channel fails, the normal forwarding of data packets can also be realized.

[0030] Wherein, all the single boards are connected through a backplane, and an inter-process communication chip and a data chip are arranged on the backplane. Each board can be an interface board or a main control board.

[0031] An inter-process communication chip and a data chip are arranged on the backplane. And the inter-process communication chip is equ...

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Abstract

The invention discloses a method for improving inter-board data channel reliability by means of single boards of a distributed system. One single board is interconnected with the other signal board through unidirectional first and second data channels, and the single board and the other signal board receive and transmit protocol messages through a bidirectional interprocess communication channel. The method comprises the steps that: the single board receives a data message or a detection message from the other single board through the first data channel; the single board sends a channel disconnection message to the other single board through the interprocess communication channel if the single board determines that the data message or the detection message is not received through the first data channel within set first threshold time; thus the other single board is triggered to sent the data message to the single board through the interprocess communication channel, thereby ensuring the uninterrupted forwarding of the data message. The invention further discloses a device for improving inter-board data channel reliability by means of the single boards of the distributed system.

Description

technical field [0001] The invention relates to the technical field of inter-board communication, in particular to a method and a device for improving the reliability of inter-board data channels for single boards in a distributed system. Background technique [0002] A typical distributed system such as figure 1 As shown, it includes the active main control board, standby main control board, inter-process communication chip, data chip and more than two interface boards. Physically, any two boards in the main main control board, the standby main control board, and the interface board pass through the inter-process communication chip as an interprocess communication channel (InterprocessCommunication, IPC) channel to send control messages transmission; through the data chip connection, as a data channel for data message transmission. The data channel between any two single boards may consist of two unidirectional data channels or one bidirectional data channel. [0003] Wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/707H04L45/24
CPCH04L45/28
Inventor 李军军郭君曹正斌向邦柱金镜
Owner NEW H3C TECH CO LTD
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