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System and method for realizing intercommunication between ipv4 network and ipv6 network based on nat64

A NAT64, ipv6 network technology, applied in the field of realizing the intercommunication between IPv4 network and IPv6 network based on NAT64, can solve the problems of low efficiency, affecting the operation performance of equipment, large consumption of NAT-PT resources, etc., to improve work efficiency, reduce loss, The effect of reducing the use of system resources

Active Publication Date: 2017-10-10
FENGHUO COMM SCI & TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The disadvantage of tunnel technology is that additional tunnel configuration is required, which is inefficient; NAT-PT consumes a lot of resources, which seriously affects the operating performance of the device

Method used

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  • System and method for realizing intercommunication between ipv4 network and ipv6 network based on nat64

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Embodiment Construction

[0041] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0042] see figure 1 As shown, the embodiment of the present invention provides a system based on NAT64 to realize the intercommunication between the IPv4 network and the IPv6 network, including a NAT64 module, a network management interface, a bottom data transceiver interface and a configuration data synchronization interface, and the NAT64 module is respectively connected to the network management interface and the bottom data transceiver interface Connected with the configuration data synchronization interface, the NAT64 module works with the network management interface, the underlying data transceiver interface and the configuration data synchronization interface to realize the complete NAT64 function on the datacom device.

[0043] The NAT64 module includes a NAT64 configuration submodule, a dynamic table establishment and maint...

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Abstract

The present invention discloses a system and method for achieving intercommunication between an IPv4 network and an IPv6 network based on an NAT64, and relates to the field of an IPv6 transitory technology. The method includes the following steps: ensuring that an NAT64 module is connected to the IPv4 network and the IPv6 network to achieve global enabling and interface enabling of functions of the NAT64; receiving, by the NAT64 module, a data message sent from a network side, updating a dynamic table, establishing address mapping information which maintains a sub-module, and obtaining an address 5-tuple flow after translation according to the protocol version of the data message; performing, by the NAT64 module, protocol translation on an IPv4 message head and an IPv6 message head; and forwarding, by an IPv4 / IPv6 message forwarding sub-module, a new data message completing the translation of address and the translation of a protocol to a target address. Relevant functions of the NAT64 can be fully achieved on a conventional digital communication product, the performance consumption of equipment and the usage of system resources are effectively reduced, and the working efficiency is increased.

Description

technical field [0001] The invention relates to the technical field of IPv6 transition, in particular to a system and method for realizing intercommunication between an IPv4 network and an IPv6 network based on NAT64. Background technique [0002] IPv6 (Internet Protocol Version 6, Internet Protocol Version 6) is the fundamental solution to solve the problem of IPv4 (Internet Protocol Version 4, Internet Protocol Version 4) address exhaustion, but due to the large number of existing IPv4 users, and most of the existing network Does not support IPv6 applications, so it is difficult to evolve the existing network from IPv4 to IPv6. [0003] In order to ensure the smooth transition of users and services, it is expected that the entire evolution cycle will be a long-term process, that is to say, IPv6 will coexist with IPv4 for a long time. Therefore, the IPv6 transition scheme is particularly important. The IPv6 transition technologies we usually refer to are generally divided...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12
CPCH04L61/251
Inventor 吕游戴锦友
Owner FENGHUO COMM SCI & TECH CO LTD
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