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Fault-tolerant system based on process redundancy and design method thereof

A fault-tolerant system and redundancy technology, which is applied in the field of fault-tolerant systems based on process redundancy and its design, can solve the problems of high redundant cost of the hardware layer, lack of versatility of the application software layer, complex implementation, etc., and achieve low performance loss , avoid complexity and improve reliability

Inactive Publication Date: 2014-02-19
LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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Problems solved by technology

Common fault-tolerant mechanisms are mainly implemented based on the principle of static structural redundancy. However, redundancy at the hardware layer is expensive and complex to implement, while redundancy at the application software layer is not universal.
[0003] Common software and hardware fault-tolerant mechanisms, such as processor lockstep technology, memory mirroring technology, multi-path I / O technology, N-version programming, etc., are mainly realized based on the principle of static structural redundancy, but the redundancy cost of the hardware layer is very high and the implementation Complex, while redundancy at the application software layer is not universal

Method used

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  • Fault-tolerant system based on process redundancy and design method thereof
  • Fault-tolerant system based on process redundancy and design method thereof
  • Fault-tolerant system based on process redundancy and design method thereof

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Embodiment Construction

[0020] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0021] as attached figure 1 As shown, a fault-tolerant system based on process redundancy is all concentrated in the core layer of the operating system, including a fault-tolerant process management module, an error handling module, an I / O fault-tolerant control module and a monitoring and management module, wherein,

[0022] The fault-tolerant process management module is used to realize the full life cycle management of redundant processes, including the creation, scheduling, synchronization, communication and destruction of redundant processes, so that native processes and their redundant processes can satisfy fault tolerance while executing the original logic in an orderly manner characteristic needs;

[0023] Error handling modul...

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Abstract

The invention relates to the technical field of a design method of a fault-tolerant system, in particular to a fault-tolerant system based on process redundancy and a design method thereof. The invention provides a fault-tolerant mechanism and strategy based on process redundancy, dual-mode redundancy or multi-mode redundancy is constructed on key processes, inter-process synchronization and other means are adopted to guarantee that redundant processes operate according to the same execution logic, a monitoring system conducts corresponding error processing on different errors, and finally reliability and usability of the system are improved.

Description

technical field [0001] The invention relates to the technical field of fault-tolerant system design methods, in particular to a process redundancy-based fault-tolerant system and a design method thereof. Background technique [0002] With the wide application of computer systems in banking transaction processing, information services, financial computing and other fields, the requirements for the reliability of computer systems are getting higher and higher. Fault tolerance is an important means to improve the reliability of computer systems. The meaning of fault tolerance is that the computer can still execute the specified algorithm correctly even if there is a failure inside the system. For applications in key fields such as banking and telecommunications, computer systems are extremely sensitive to system failures, and it is crucial to ensure the reliability of key processes in the system. Common fault-tolerant mechanisms are mainly implemented based on the principle of...

Claims

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Application Information

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IPC IPC(8): G06F11/07
Inventor 王恩东胡雷钧张东吴楠刘璧怡
Owner LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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