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Internet protocol security (IPSEC)-based tunnel switching method and device, and gateway

A tunnel and gateway technology, applied in the network field, can solve problems such as establishing IPSec tunnels, achieve the effect of reducing switching consumption and avoiding network shocks

Inactive Publication Date: 2018-05-11
BEIJING ANBOTONG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if there is a problem with the egress of the IPSec tunnel established by gateway A, the IPSec tunnel cannot be re-established with gateway B

Method used

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  • Internet protocol security (IPSEC)-based tunnel switching method and device, and gateway
  • Internet protocol security (IPSEC)-based tunnel switching method and device, and gateway
  • Internet protocol security (IPSEC)-based tunnel switching method and device, and gateway

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Embodiment Construction

[0065] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0066] In the following detailed description, numerous specific details are set forth in order to provide a comprehensive understanding of the application, but those skilled in the art will understand that the application may be practiced without these specific details. In other embodiments, well-known methods, procedures, components and circuits have not been described in detail so as n...

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Abstract

Embodiments of the invention disclose an Internet protocol security (IPSEC)-based tunnel switching method and device, and a gateway. The method comprises the steps that the gateway detects a state ofa main tunnel, if the main tunnel is in an abnormal state, the gateway waits for a preset time period; then the gateway detects a state of the main tunnel again; and if the main tunnel is in the abnormal state, the main tunnel is switched to a standby tunnel. Through adoption of the tunnel switching method, false switching caused by network shock and other states can be prevented, main tunnel-based communication is continued as much as possible, unnecessary switching consumption is reduced, and adaptive adjustment and other problems caused by switching are solved.

Description

technical field [0001] The invention relates to the field of network technology, in particular to an IPSEC-based tunnel switching method, device and gateway. Background technique [0002] IPSec (Internet Protocol Security, Internet Protocol Security) is an open standard framework that uses encrypted security services to ensure confidential and secure communications on IP (Internet Protocol, a protocol for interconnecting networks) networks . In the actual networking, gateway A and gateway B establish a tunnel (channel for communication) through the operator, and the gateway negotiation process based on IPSec through this tunnel is as follows: figure 1 As shown, it includes the following steps: (1) between gateway A and gateway B, any party initiates a negotiation based on the IKE protocol (Internet Key Exchange Protocol, Internet Key Exchange Protocol), and the opposite end responds after receiving it; (2) both parties Negotiate according to configuration parameters, respe...

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Application Information

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IPC IPC(8): H04L29/06H04L29/14H04L12/46H04L69/40
CPCH04L12/4633H04L63/0485H04L69/40
Inventor 李洪宇
Owner BEIJING ANBOTONG TECH CO LTD
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