High reliability real-time synchronous data processing device

A data processing equipment, real-time synchronization technology, applied in data exchange network, digital transmission system, time division multiplexing system, etc., can solve the problem that there is no reserved high-precision backplane clock channel, and the synchronous data transmission between boards cannot be realized. and other problems, to achieve the effect of phase consistency, fast switching speed, and improved reliability

Pending Publication Date: 2019-01-22
NANJING TICOM TECH
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AI Technical Summary

Problems solved by technology

In some special application scenarios, a large amount of synchronous data transmission is required between boards, and the data between different board interfaces requires a stable phase relationship, because the standard chassis backplane generally does not reserve a high-precision backplane clock channel, and it is impossible to realize the synchronization between boards. synchronous data transmission

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with accompanying drawing.

[0024] The invention provides a high-reliability real-time synchronous data processing device, the structure of which is as follows: figure 1 As shown, it includes a synchronous data processing chassis and a control processing board, interface board and clock board integrated in the chassis.

[0025] Control processing board: completes the control management and data analysis and processing functions of the entire chassis, and carries key services as the core of the entire chassis. The control processing board adopts 2+1 active-standby redundancy and supports hot backup. When the main control processing board fails, the standby board is switched to the active one in real time, and the background maintenance personnel are notified to replace and check.

[0026] Interface board function: there is only one interface board in the entire chassis, which provides the external bus...

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Abstract

The invention provides a high-reliability real-time synchronous data processing device, which is characterized in that the device comprises a synchronous data processing chassis and a control processing board, an interface board and a clock board integrated in the chassis. The network topology of the back board of the three device boards is divided into a service channel, a clock channel and a control channel. The invention realizes the hot standby redundancy of the main control board 2 +1 by optimizing the board layout, provides satellite timing, external special clock equipment timing and IEEE 588 timing capability to the chassis by adding a special clock board, and provides the synchronous clock extraction and receiving and transmitting capability of the whole chassis board by designingthe backplane clock network topology.

Description

technical field [0001] The invention relates to the field of data communication processing equipment, in particular to a high-reliability real-time synchronous data processing equipment. Background technique [0002] There are many large-capacity general-purpose data processing platforms, as well as many general-purpose standards, such as ATCA and CPCI. These standard chassis are designed with multi-slot boards, have active and standby redundancy, and load sharing functions, and are widely used in data communication, distributed computing and other fields. However, with the advancement of technology, the expansion of application fields, and the emergence of new services, the chassis designed according to standard specifications can no longer meet the requirements of users in many special industries and special needs: [0003] 1. High-reliability main-standby redundancy requirements: [0004] The main control board of a standard chassis generally supports 1+1 active / standby...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04J3/06
CPCH04J3/0635H04L41/0663
Inventor 王云峰薄洪光袁仁富陈建平吉荣新
Owner NANJING TICOM TECH
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