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Method, device and system for session information synchronization

A technology of session information and synchronization device, applied in the field of network security, can solve the problems of shortening the continuous operation time of the network security system, unable to ensure the reliable synchronization of session information of the network security system, etc., and achieve the effect of prolonging the continuous operation time

Active Publication Date: 2012-11-07
NSFOCUS INFORMATION TECHNOLOGY CO LTD +1
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Problems solved by technology

[0005] Embodiments of the present invention provide a session information synchronization method, device, and system to solve the problem that the existing session information synchronization method cannot ensure that the network security system can reliably synchronize session information, thereby shortening the continuous running time of the network security system

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  • Method, device and system for session information synchronization
  • Method, device and system for session information synchronization

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Embodiment Construction

[0038] Aiming at the problem that the existing session information synchronization method cannot ensure that the network security system can reliably synchronize the session information, thereby shortening the continuous running time of the network security system, an embodiment of the present invention provides a session information synchronization method, the flow of the method is as follows figure 1 As shown, the specific execution steps are as follows:

[0039] S10: When the master device in the high availability system determines that the heartbeats and engines of itself and the backup device are normal, establish a UDP connection with the backup device.

[0040] The HA system has three working modes: active-standby mode, active-active mode and cluster mode.

[0041] Two devices in active / standby mode, one as the main device and the other as the backup device. The main device handles all services, and sends the generated session information and configuration files to the...

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Abstract

The invention discloses a method, a device and a system for session information synchronization. The method comprises the following steps: A. when a primary device in a high availability system determines that the heartbeat and an engine of the primary device and a backup device are normal, establishing user data packet protocol (UDP) connection with the backup device; B. synchronizing the session information chosen from the session information in self-maintenance and the session information generated in real time to the backup device; and C. according to the received confirmation information fed back from the backup device, turning to the step B after determining that the backup device receives the chosen session information. According to the scheme, a data structure can be accurately and reliably sent to the backup device, thereby realizing seamless switching and prolonging the continuous operating time of a network security system.

Description

technical field [0001] The invention relates to the technical field of network security, in particular to a session information synchronization method, device and system for network security equipment in a high-availability system. Background technique [0002] At present, with the rapid growth of network applications, it is more and more important to ensure the continuous running time of the network security system. The continuous running time of network security devices such as firewalls affects the continuous running time of the entire network security system, and also greatly restricts For network applications, high availability (High Availability, HA) is an important technology to ensure the continuous running time of network security systems. HA is used to describe a system that has been specially designed to reduce downtime and maintain high availability for continuous system operation. In the HA function of the network security system, data synchronization is an imp...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L7/00
Inventor 田翠翠陈裕涛
Owner NSFOCUS INFORMATION TECHNOLOGY CO LTD
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