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Synchronization method, device and network equipment between main and standby processes

A synchronization device and inter-process technology, applied in the field of communication, can solve problems such as data errors, increase the number of interactions between the main and standby processes and the amount of data, and achieve the effect of preventing the spread of errors, reducing the number and number of interactions, and effective hot backup

Active Publication Date: 2016-09-28
BEIJING XINWANG RUIJIE NETWORK TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0004] Data errors often occur in the synchronization between the current master and backup processes. Once an error occurs, the master process needs to resend all the status, configuration and data to the backup process. In this case, the number of interactions between the master and backup processes and The amount of data

Method used

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  • Synchronization method, device and network equipment between main and standby processes
  • Synchronization method, device and network equipment between main and standby processes
  • Synchronization method, device and network equipment between main and standby processes

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Embodiment Construction

[0034] figure 1 The flow chart of the synchronization method between the primary and standby processes provided in Embodiment 1 of the present invention, as shown in figure 1 As shown, the method includes:

[0035] 101. The active process receives a user request.

[0036] A process is the basis of the operating system structure and can be understood as an instance of a program being executed. A program is a collection of command sequences written in a computer language to achieve a specific goal or solve a specific problem. A program can include descriptions of data and descriptions of operations. The description of data refers to specifying the type of data and the organizational form of data in the program, that is, the data structure (Data structure). The description of the operation is the operation steps, that is, the algorithm (Algorithm). Therefore, for different user requests, the response process also has the same or different operation steps. There are also man...

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Abstract

The invention provides a method and device for synchronizing a main process and a standby process and a network device. The method comprises the steps that the main process receives a user request; N steps in the response process are carried out according to the user request, wherein i of the N steps are carried out for generating error correction messages, N is a natural number, and i is a natural number smaller than or equal to N; the synchronizing information is sent to the standby process and comprises the user request and j error correction messages generated from the i steps to enable the standby process to respond the user request, and error correction is carried out on the response process of the standby process according to the j error correction messages, wherein j is a natural number smaller than or equal to i.

Description

technical field [0001] The invention relates to communication technology, in particular to a synchronization method, device and network equipment between main and standby processes. Background technique [0002] In the field of data communication, in a network device supporting multi-process, a service process is often started to receive a certain service request, process data, and return a response message. When there is only one process providing a certain service in a network device, once the process fails, the service will be interrupted. Therefore, the standby process is often used as the backup of the main process. Data synchronization is required between the active process and the standby process, that is, the active process backs up the status and data to the standby process, so that once the active process fails, the standby process will replace the active process to provide services. [0003] In the prior art, the main process and the standby process can be synch...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24
Inventor 陈锋吴治国
Owner BEIJING XINWANG RUIJIE NETWORK TECH CO LTD
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