Image backup method for dual-core control of core controlled system
A mirror backup and core control technology, applied in transmission systems, digital transmission systems, instruments, etc., can solve problems such as the influence of core control system work efficiency and the inability to guarantee seamless business switching, and achieve the effect of improving reliability and flexibility
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[0033] The present invention relates to a dual-core controlled image backup method. The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods, but it is not intended to limit the present invention.
[0034] In this implementation case, the backup working principle is shown in Figure 1. In this embodiment, the core service provides an interface for running data query and data change notification. When the mirror service starts, it queries the active core service for all running real-time data, and subscribes to the data change notification event of the core service during the running process. Keep data in sync with core services. Please refer to Figure 2, the steps are as follows:
[0035] Step A-1: The mirror service sends a login request to the standby core service;
[0036] Step A-2: The standby core service returns the login failure information to the mirror service;
[0037] Step A-3: If the...
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