Master-slave switching communication system and master-slave switching communication method

Abstract

The invention discloses a master-slave switching communication system and a master-slave switching communication method. The method comprises the following steps that: a control plane veneer detects states of a master first processing unit and a slave second processing unit of a master-slave set; when the first processing unit is currently abnormal, the control plane veneer updates the state of the first processing unit into an abnormal state in a master-slave set information table maintained by the control plane veneer and sends a master-slave switching command and a state updating command to the second processing unit; according to the state updating command, the second processing unit updates the state of the first processing unit into the abnormal state in master-slave set information maintained by the second processing unit; and according to the master-slave switching command, a slave example linked list is operated and is added into a second master example linked list to participate in service dispatching. According to the master-slave switching communication system and the master-slave switching communication method which are provided by the invention, the backup and the load sharing of service data are implemented, the phenomenon of interruption of a service is effectively prevented, and the resource utilization rate of the system is improved on the basis of ensuring the reliability of the communication system.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a communication system and a communication method for active / standby switching. Background technique [0002] In the existing communication system, in order to make the system work stably at high speed. Usually it is necessary to back up important boards, that is, the boards are respectively set as the main board and the backup board. When the master board fails, the system quickly switches to the backup board to work. [0003] Currently, most backup implementations are 1+1 or N+1 backup methods. In the 1+1 backup mode, the master board and the backup board need to run the same program, and the master board synchronizes data with the backup board through synchronous operation; when the master board fails or is switched over, the backup board continues to work , which can prevent the occurrence of business interruption and ensure the reliability of the system, but ...

AI Technical Summary

Problems solved by technology

On the other hand, there are a large number of boards on the media plane, which mainly process data on the media plane, and the business traffic is large. Usually, N+1 mode is used for cold backup. Failure will lead to the interruption of the service of one of the failed media plane main boards, so the reliability of this existing communication system is low

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