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Network communication system and method based on tunnel ipv4 and ipv6

A network communication and tunnel technology, applied in the field of IPv4 and IPv6 network communication systems, can solve the problems of inability to map, destroy the end-to-end characteristics of the network, shortage of IPv4 address resources, etc., and achieve the effect of flexible configuration and prevention of address forgery

Active Publication Date: 2021-12-24
CERNET CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the two nodes are converted through the gateway, and IPv4 address resources are in short supply, and cannot be mapped one-to-one with IPv6 addresses, thus destroying the end-to-end characteristics of the network
[0014] However, there is currently no technology based on the above three technologies to realize IPv4 / IPv6 transition and IPv6 network real identity verification management

Method used

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  • Network communication system and method based on tunnel ipv4 and ipv6
  • Network communication system and method based on tunnel ipv4 and ipv6
  • Network communication system and method based on tunnel ipv4 and ipv6

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Embodiment Construction

[0046] At present, there is no technology based on the above three technologies to realize IPv4 / IPv6 transition and IPv6 network real identity verification management. In view of this, the present invention provides a tunnel-based IPv4 and IPv6 network communication system. Radius server compares MySQL Whether there is the account number and the password of the Ipv4 user who applies for setting up tunnel in database storage, if exist, then OpenVPN server distributes Ipv6 address to this Ipv4 user, promptly tunnel is set up and finishes; If do not exist, then OpenVPN server returns error message to this Ipv4 user, That is, the tunnel establishment fails. Therefore, the present invention can support QoS service quality assurance across multiple operators, has multi-line scheduling capability, and provides a window for IPv4 users to access the IPv6 network when there is no IPv6 exit. IPv4 users can access IPv6 networks after obtaining IPv6 addresses, thus realizing the transition...

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Abstract

A tunnel-based IPv4 and IPv6 network communication system and method, at least one Ipv4 user sends a request to apply for establishing a tunnel, and the request includes the account number and password of the Ipv4 user; one or more OpenVPN servers receive the Ipv4 user communicating with it request; the MySQL database stores the preset account number and password; the Radius server receives the request forwarded by the OpenVPN server, and compares the account number and password in the request with the preset account number and password, and compares the The result is returned to the OpenVPN server. If the comparison result is the same, the tunnel is established successfully, and the OpenVPN server assigns an Ipv6 address to the Ipv4 user; if the comparison result is different, the tunnel establishment fails, and the OpenVPN server returns the information that the tunnel establishment failed to the Ipv4 user.

Description

technical field [0001] The invention relates to the fields of IPv4 / IPv6 transition and IPv6 network real identity verification management, in particular to a tunnel-based IPv4 and IPv6 network communication system and method. Background technique [0002] With the rapid increase of Internet applications in recent years, IPv4 has exposed many disadvantages, such as shortage of IP addresses, non-embedded security, complex network management, etc. The original IPv4 has been unable to meet the needs of the rapid development of the existing network. In order to solve these problems, IETF (Internet Engineering Task Force) designed a new generation of network protocol IPv6. When designing IPv6, it not only expanded the address space of IPv4, but also reconsidered all aspects of the original IPv4 protocol. Lots of improvements. In addition to proposing a huge number of addresses, compared with IPv4, IPv6 still has a lot of work going on in order to obtain higher security, better ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12H04L12/46
CPCH04L12/4633H04L12/4641H04L61/251H04L2101/668
Inventor 黄友俊李星吴建平李川李威
Owner CERNET CORP