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Service board hot plug method, system and storage medium in distributed nat system

A business board and distributed network technology, applied in the computer field, can solve problems such as business interruption, and achieve the effect of solving business interruption

Active Publication Date: 2022-03-11
BEIJING TOPSEC NETWORK SECURITY TECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Embodiments of the present invention provide a service board hot-plug method, system and computer-readable storage medium in a distributed NAT system, to solve the problem of service interruption after service board hot-plug in the NAT system in the prior art

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  • Service board hot plug method, system and storage medium in distributed nat system
  • Service board hot plug method, system and storage medium in distributed nat system
  • Service board hot plug method, system and storage medium in distributed nat system

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Embodiment Construction

[0067] In order to solve the problem of service interruption after hot plugging in the prior art, the present invention provides a service board hot plugging method, system, and computer-readable storage medium in a distributed NAT system. The embodiment of the present invention sets a fixed number of tags, And distribute a fixed number of labels among the currently inserted service boards, that is, establish the association between labels and service boards, so that no labels are changed before and after hot plugging, and no new labels are added, only the relationship between labels and service boards is changed. Correlation relationship, so as to ensure that the port range to be inserted into the service board can be predicted in advance; when the port is used to mark the message, the port selection method of selecting the port in the port segment corresponding to the message label ensures that the label is allocated After sending to the newly inserted service board, the reve...

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Abstract

The invention discloses a service board hot-plugging method, system and storage medium in a distributed NAT system. The method includes: after the service board is inserted, assigning a fixed number of labels to each currently inserted service board; After receiving the forward message, determine the label corresponding to the forward message, and send the forward message to the service board corresponding to the label, so that the corresponding service board is the The message is marked according to the determined label; after receiving the reverse message, determine the label corresponding to the reverse message, and send the reverse message to the service board corresponding to the label . The present invention sets a fixed number of labels and distributes the fixed number of labels among the currently inserted service boards, does not change the labels before and after hot plugging, but only changes the association relationship between the labels and the service boards, thereby ensuring forward and reverse messages On the same service board, services are not interrupted before and after hot plugging.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to a service board hot-plug method, system and storage medium in a distributed network address translation (Network Address Translation, NAT) system. Background technique [0002] The multi-service board distributed network address translation NAT system not only has the characteristics of strong processing performance and high reliability, but also has flexible scalability. For example, when the traffic in the user environment is small, a small number of service boards can be used first, and more service boards can be gradually added as the business increases and the traffic increases. Among them, it is a common technical requirement at present to realize the hot swapping of the business version without affecting the normal business processing of the equipment. [0003] The hot-plug method of the existing service board is as follows: Assume that there is only one service...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L61/2582H04L61/2557
CPCH04L61/2582
Inventor 付言华徐成华宋洪
Owner BEIJING TOPSEC NETWORK SECURITY TECH
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