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Method and system for host computer with IPv4 application to communicate through IPv6 network

An ipv6 network and host technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve the problems of large processing burden and single-point failure of network systems, and achieve the effect of reducing processing burden and probability.

Active Publication Date: 2010-12-08
CHINA MOBILE COMM GRP CO LTD
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  • Description
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AI Technical Summary

Problems solved by technology

In particular, the addition of the application layer gateway function has been proven to add a large processing burden to the network system, which is likely to cause a single point of failure

Method used

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  • Method and system for host computer with IPv4 application to communicate through IPv6 network
  • Method and system for host computer with IPv4 application to communicate through IPv6 network
  • Method and system for host computer with IPv4 application to communicate through IPv6 network

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Embodiment Construction

[0035] The embodiment of the present invention converts the header of the IPv4 data packet into the header of the IPv6 data packet in the host computer with IPv4 applications, and does not convert the transport layer header and data part of the data packet; the NAT device on the edge of the IPv6 and IPv4 network After receiving the data packet through the IPv6 network, the header of the data packet is replaced with the header of the IPv4 data packet to obtain the IPv4 data packet, and the IPv4 data packet is sent to the communication peer through the IPv4 network. In this way, the NAT device installed on the edge of the IPv6 and IPv4 network does not need to convert the entire data packet (including the transport layer header and the data part), but only needs to convert the header of the data packet, which reduces the processing burden of the network system and makes The probability of single point failure is greatly reduced.

[0036] Vice versa, after the NAT device receives...

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Abstract

The invention relates to the field of mobile communication, in particular to technology for a host computer with an IPv4 application to communicate through an IPv6 network. The invention provides a system and a method for the host computer with the IPv4 application to communicate through the IPv6 network. The method comprises that: the host computer generates IPv4 data packets according to the information sent to a communication counterparty by the IPv4 application, converts the packet headers of the data packets into the packet headers of IPv6 data packets, and sends the data packets throughan IPv6 network; when receiving the data packets sent by the host computer, NAT equipment converts the packet headers of the received data packets into the packet headers of the IPv4 data packets andforwards the data packets through an IPv4 network; and the communication counterparty receives data packets forwarded by the NAT equipment through the IPv4 network. As the NAT equipment only convertsthe packet headers of the data packets rather than transmission layer headers and data parts, the processing load of the system is reduced greatly, and the probability of single point failure is lowered.

Description

technical field [0001] The present invention relates to the field of mobile communication, in particular to the technology for hosts with IPv4 applications to communicate through IPv6 networks. Background technique [0002] With the exhaustion of global IPv4 (Internet Protocol version 4, Internet Protocol version 4) addresses and the service's requirement for terminals to be "always online", the deployment of IPv6 (Internet Protocol version 6, Internet Protocol version 6) technology will become inevitable . In order to gradually introduce the concept of IPv6 network, the construction of IPv6 network and IPv4 / IPv6 dual-stack network will be the first step in the deployment of IPv6 technology. However, the current hosts have a large number of IPv4 applications, and the number of IPv6 applications is negligible compared with them. Therefore, how to solve the access and intercommunication of IPv4 applications between hosts in the IPv6 network in the initial stage of the IPv6 tr...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/56H04L45/741
Inventor 黄晓庆陈刚邓辉魏冰王晓云
Owner CHINA MOBILE COMM GRP CO LTD
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