Backup method and device of flow table data, network equipment and storage medium

Abstract

The embodiment of the invention discloses a flow table data backup method and device, and the method comprises the steps: responding to the detection that newly-added flow table data exists in a target forwarding core, and transmitting the backup data of the newly-added flow table data to a matched target memory space through the target forwarding core; sending the backup data in the target memory space to a matched target message queue; reading backup data in the target message queue through the target backup core, and serializing the backup data; and sending the serialized backup data to the standby network equipment through the target backup core. According to the technical scheme provided by the embodiment of the invention, the separation of the data forwarding task and the flow table backup task on the forwarding core is realized, the data processing pressure of the forwarding core is greatly reduced, the data forwarding efficiency of the forwarding core is improved, and meanwhile, serialization and backup data transmission are executed through the backup core, so that the synchronization efficiency of the flow table data is improved.

Description

technical field [0001] Embodiments of the present invention relate to network transmission technologies, and in particular to a backup method, device, network device and storage medium for flow table data. Background technique [0002] For network devices running on the live network, when a network device fails, another device is needed to quickly take over the current network traffic. Therefore, the active-standby disaster recovery function has become an indispensable part of the network device. [0003] When the main machine fails, the standby machine becomes the main machine to take over the current traffic service to ensure the continuity of the business in the current network. After the switchover, whether the new main machine can quickly take over the current business traffic depends on the traffic on the old main machine. table data to ensure high-speed forwarding of traffic. [0004] In the prior art, virtualized network devices are mostly multi-core network devices...

AI Technical Summary

Problems solved by technology

[0004] In the prior art, virtualized network devices are mostly multi-core network devices, and in a multi-core environment, the backup of flow table data is usually performed by each processor core to send its own backup data, that is, each processor core While processing traffic forwarding, the kernel performs backup of flow table data, but such flow table backup method greatly affects the data forwarding performance of the processor core, and cannot ensure the synchronization efficiency of backup data

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