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Network address translation method and device

A network address translation and network address technology, which is applied in the field of network address translation methods and devices, can solve the problems of increased network deployment costs, limited number of shared IPv4 addresses, and low forwarding efficiency, so as to reduce network deployment costs and improve forwarding efficiency Effect

Inactive Publication Date: 2018-01-05
ZTE CORP
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The present invention provides a network address translation method and device, at least in the prior art, it is necessary to decapsulate the message to the IP layer, resulting in low forwarding efficiency, and the limited number of each shared IPv4 address, which leads to the problem of increased network deployment costs

Method used

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  • Network address translation method and device
  • Network address translation method and device

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Embodiment Construction

[0020] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0021] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence.

[0022] According to one aspect of the present invention, a network address translation method is provided, figure 1 is a flowchart of a network address translation method according to an embodiment of the present invention, such as figure 1 As shown, the method includes

[0023] S102: Obtain an IP data message, and extract the IPV4 network address to be converted from the message,

[0024] S104: Convert the IPV4 network address into an IPV6 network ...

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PUM

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Abstract

The present invention provides a network address conversion method comprising: obtaining an IP data message, extracting an IPV4 network address to be converted from the message, converting the IPV4 network address into an IPV6 network address according to predetermined rules, and the IPV6 network address Contains physical address information, replaces the IPV4 network address in the message with the IPV6 network address and forwards it, so that at least in the prior art, the message needs to be decapsulated to the IP layer, resulting in low forwarding efficiency, and the number of supported IPv4 addresses for each Limited, leading to the problem of increasing the cost of network deployment.

Description

technical field [0001] The invention relates to the fields of communication and computer, in particular to a network address conversion method and device. Background technique [0002] Internet Protocol Version 4 (hereinafter referred to as IPv4) is rich in services. Although some of them are transitioning to Internet Protocol Version 6 (hereinafter referred to as IPv6), IPv4 users are still relatively large. To solve the IPv4overIPv6 scenario, a number of transition technologies for the IPv4overIPv6 scenario have been formed, and Light weight 4over6 and DSLite are two of them. Lightweight 4over6 is an improved version of DS-Lite technology. The biggest improvement is to transfer the NAT44 (Network Address Transfer 44) conversion to the customer terminal equipment (Customer Premise Equipment, hereinafter referred to as CPE), and the IPv4 address allocated by the tunnel is shared. The principle is The CPE completes the NAT44 conversion first, and then encapsulates the IPv6 p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12
Inventor 王小琴
Owner ZTE CORP
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