Dual-computer hot standby system and method based on 1:1 heartbeat
A dual-system hot backup and backup technology, which is applied in the transmission system, the generation of response errors, and the error detection of data in the redundancy operation in the operation, can solve the problems of the reliability of the backup system being reduced, the backup mechanism not working properly, etc. Achieve the effect of improving the switching speed and the main-standby switching process, simplifying the system structure
Active Publication Date: 2022-02-22
北京锐马视讯科技有限公司
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Once the centralized network management itself fails, the backup mechanism will not work normally, thus reducing the reliability of the entire backup system
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[0043] Various exemplary embodiments, features, and aspects of the present application will be described in detail below with reference to the accompanying drawings. The same reference numbers in the figures indicate functionally identical or similar elements. While various aspects of the embodiments are shown in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
[0044] The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as superior or better than other embodiments.
[0045] In addition, in order to better illustrate the present application, numerous specific details are given in the following specific implementation manners. It will be understood by those skilled in the art that the present application may be practiced without certain of the specific details. In some instances, methods, means, co...
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This application relates to a dual-machine hot backup system based on 1:1 heartbeat, including: more than two signal sources, a first input switching device, a second input switching device, a first data processor, a second data processor, The first output switching device and the second output switching device; more than two signal sources are equipped with two outputs, and are respectively connected to the first input switching device and the second input switching device through the two outputs; the first data processor Both the first data processor and the second data processor are connected to the first input switching device and the second input switching device at the same time, and one of the multiple signal sources is selected as the input signal source; the first data processor and the second data processor are based on the heartbeat Synchronize information by means of communication, and select one to output. It directly realizes the master-standby switchover through the information communication between the master device and the backup device, which avoids the failure of the entire backup system when the centralized network management fails, and improves the reliability of the backup system.
Description
technical field [0001] The present application relates to the technical field of data transmission backup, in particular to a dual-machine hot backup system and method based on 1:1 heartbeat. Background technique [0002] Equipment redundancy backup is an effective method to improve the overall reliability of the system. For any independent device, due to the possibility of a single point of failure, it is difficult to achieve 100% reliability. By using multiple devices for redundant backup, the reliability of the entire system can be infinitely close to 100%. There are usually two basic forms of redundant backup: cold backup, under normal circumstances, the backup device is not powered on. When the online device fails, you need to manually power on the backup device and go online to take over the faulty device and continue to work. Hot backup: Under normal circumstances, the main device and the backup device are powered on at the same time, the main device is in the norm...
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IPC IPC(8): G06F11/14H04L43/10H04L41/0631
Inventor 彭海徐言茂隋治强
Owner 北京锐马视讯科技有限公司