Protocol message transmission method and device

By setting up a main process and a backup process in the network device and backing up the currently used table entries to the backup process, the problem of protocol packet loss when the network device fails is solved, efficient protocol message transmission is achieved, and the storage overhead and hardware cost of the backup process are reduced.

CN120602410APending Publication Date: 2025-09-05RUIJIE NETWORKS CO LTD
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Patent Information

Application Number
CN202410250888.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-03-05
Publication Date
2025-09-05

AI Technical Summary

Technical Problem

In network equipment, software-level failures may cause the protocol message forwarding process to restart, resulting in protocol message loss and network anomalies. Existing technologies using dual-machine or dual-processor solutions are costly.

Method used

A primary process and a backup process are set in the network device. When the primary process transmits protocol messages, it backs up the currently used table entries to the backup process. When the primary process fails, the backup process takes over the transmission of protocol messages, reducing the memory overhead of the table entries stored in the backup process.

Benefits of technology

It effectively reduces the packet loss rate during protocol message transmission, avoids the increase of additional hardware costs, and ensures that network devices continue to transmit protocol messages normally when the main process fails.

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Abstract

The invention discloses a protocol message transmission method and device which are used for reducing the packet loss rate in the protocol message transmission process. The method is applied to a main process included in network equipment, a plurality of table items used for transmitting protocol messages are stored in a main storage space of the main process, and the network equipment further comprises a standby process; the method comprises the steps of determining at least one to-be-backed-up table item from a plurality of table items in a process of transmitting a protocol message by using the plurality of table items; wherein the at least one table item is the table item used for transmitting the protocol message in the current time period; and sending at least one table item to the standby process, wherein the table item is used for the standby process to transmit the protocol message when the host process fails.
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