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Data transmission method between servers and server

A server and data technology, applied in the Internet field, can solve the problems of increasing OpenVPN server load and additional occupation

Active Publication Date: 2022-04-22
XIAMEN WANGSU CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will undoubtedly occupy the limited resources of the OpenVPN server, which will further increase the load of the OpenVPN server

Method used

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  • Data transmission method between servers and server
  • Data transmission method between servers and server
  • Data transmission method between servers and server

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Embodiment Construction

[0017] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0018] This application provides a data transmission method between OpenVPN servers in an SD-WAN system, which can be improved for current OpenVPN servers. Specifically, in the OpenVPN server, only one VPN instance can be enabled, and the VPN instance can uniformly receive external network data packets sent by the user's client or other OpenVPN servers through the external network interface of the OpenVPN server. Wherein, the external network interface may be jointly represented by the external network IP address of the OpenVPN server and the port for receiving external network data packets. The identification of the external network interface may include the external network IP address of the OpenVPN server and the identification of t...

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Abstract

The invention discloses a data transmission method between servers and the server, wherein the method includes: loading a configuration file of a VPN instance, and creating one or more virtual network cards in the VPN instance; A plurality of OpenVPN servers respectively establishes VPN tunnels, wherein the virtual network card is bound one by one with the created VPN tunnels; receives external network data packets, and receives the SD-WAN controller downloading the external network data packets for the external network data packets; The routing policy sent, and determine the target virtual network card pointed to by the routing policy in the created one or more virtual network cards; after the external network data message is processed through the target virtual network card, the processing will be completed The external network data packet is sent to the corresponding OpenVPN server through the target VPN tunnel bound to the target virtual network card. The technical solution provided by this application can reduce the overall load of the server.

Description

technical field [0001] The invention relates to the technical field of the Internet, in particular to a data transmission method between servers and the server. Background technique [0002] OpenVPN (OpenSSL-based virtual private network) servers are being used by more and more enterprises due to their ease of use and high security. In order to improve the flexibility of the network connection, the OpenVPN server can be applied to the SD-WAN (Software-Defined Wide Area Network, software-defined wide area network) system at present. In the SD-WAN system, user data packets need to be forwarded according to different routing policies according to actual needs, which requires multiple VPN connections to exist on the same OpenVPN server at the same time. [0003] However, the existing OpenVPN is usually a single-process application program. If multiple VPN connections are to be established with the same OpenVPN server, different VPN instances need to be run in the OpenVPN server...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L49/354
CPCH04L12/4641H04L12/4633H04L49/70
Inventor 李强达曹志文
Owner XIAMEN WANGSU CO LTD
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