A method for implementing communication between IPv4 network and IPv6 network

An implementation method, an ipv6 network technology, applied in the field of network communication, can solve problems such as shortage of IPv4 addresses, and achieve the effects of solving the shortage of IPv4 addresses, simple address conversion process, and economical use

Inactive Publication Date: 2005-11-02
HUAWEI TECH CO LTD
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Problems solved by technology

[0015] The purpose of the present invention is to provide a method for realizing communication between an IPv4 network and an IPv6 network, thereby ensuring that when an IPv4 network accesses an IPv6 network, one IPv4 address can be applied to the mapping of multiple destination IPv6 addresses, effectively solving the shortage of IPv4 addresses The problem

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  • A method for implementing communication between IPv4 network and IPv6 network
  • A method for implementing communication between IPv4 network and IPv6 network
  • A method for implementing communication between IPv4 network and IPv6 network

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Embodiment Construction

[0042] The present invention is mainly a supplement to the NAT-PT technology, so that in the process of accessing to the IPv6 network initiated by the IPv4 network, the corresponding address conversion process can effectively use limited IPv4 address resources and solve the problem of shortage of IPv4 addresses. The core idea realized by the present invention is: when a node in the IPv4 network initiates communication to a node in the IPv6 network, corresponding address conversion processing is performed according to the IPv4 address and the corresponding port number, and communication services are carried out between the nodes. Such as Figure 5 As shown, that is to say that the essence of the present invention is to map and convert any IPv6 address and port of a node in the IPv6 network as the destination end to the corresponding IPv4 address and the corresponding port, thereby realizing the communication initiated by the IPv4 network to the IPv6 network The address translat...

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Abstract

The invention relates to realization method for communication between IPv4 net and IPv6 net. When node of IPv4 communicate to node of IPv6, converses the objective address according to IPv4 address and corresponding port number, and realizes communication between node of IPv4 aforementioned and node of IPv6. Thereby, the invention is that when node of IPv4 communicate to node of IPv6, corresponding multiple objective IPv6 address can be mapped to a IPv4 address simultaneously based on corresponding port number, realizes the good use of IPv4 address during the address mapping process, solves the short problem of IPv4 address, saves efficiently the utilization of IPv4 address; besides, the invention has the advantage of realization process simple.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method for realizing communication between an IPv4 network and an IPv6 network. Background technique [0002] The current data network is dominated by IPv4 (Internet Protocol Version 4) technology. With the expansion of network scale, IPv6 (Internet Protocol Version 6) technology will gradually replace the current IPv4 technology with its advantages such as huge address space. However, such a thorough replacement requires a long-term process. In this long-term evolution process from IPv4 to IPv6, in order to share network resources, it is necessary to solve the problem of intercommunication between IPv4 network and IPv6 network, that is, to ensure that IPv6 nodes and IPv4 nodes can communicate with each other. Based on this need, NAT-PT (Network Address Translation-Protocol Translation, Network Address Translation Protocol) technology is produced, which provides ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
Inventor 梁铷凯沙瓦克
Owner HUAWEI TECH CO LTD
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