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Address translation method and device based on domain name system (DNS)

An address translation and domain name system technology, applied in the field of DNS-based address translation methods and devices, can solve problems such as failure of IPv4 service resources, poor access capability of service resources for IPv4/IPv6 dual-stack users, and inability to implement IPv6 and IPv4 conversion. , to achieve the effect of improving access to business resources

Active Publication Date: 2014-10-01
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

However, in the actual implementation process, since all IPv4 / IPv6 dual-stack users receive converted IPv6 addresses, when accessing IPv4 service resources through IPv6 addresses, all service messages must be converted between IPv6 and IPv4. However, the conversion between IPv6 and IPv4 cannot be implemented for a large number of application service packets, resulting in the failure of IPv4 / IPv6 dual-stack users to access IPv4 service resources
Then adopt the above technology to realize that when IPv4 / IPv6 dual-stack users access IPv4 service resources, only a small number of IPv4 service resources can be accessed after IP address conversion, resulting in poor service resource access capabilities of IPv4 / IPv6 dual-stack users

Method used

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  • Address translation method and device based on domain name system (DNS)
  • Address translation method and device based on domain name system (DNS)
  • Address translation method and device based on domain name system (DNS)

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0021] An embodiment of the present invention provides a DNS-based address conversion method, which is applied to a DNS with a DNS64 server function, and the user terminal involved in the embodiment of the present invention is an IPv4 / IPv6 dual-stack user. like figure 1 As shown, the method includes:

[0022] 101. The DNS64 server obtains the destination address of the query requested by the user terminal.

[0023] Wherein, the destination address refers to the o...

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Abstract

The invention discloses an address translation method and device based on a domain name system (DNS) and relates to the technical field of communications. A new address translation scheme is provided. When an IPv4 / IPv6 dual-stack user has access to IPv4 service resources, the problem that the dual-stack user cannot have access to the IPv4 service resources is solved to some extent, and the capacity of the IPv4 / IPv6 dual-stack user for having access to the service resources is significantly improved. The address translation method includes the steps that after a destination address which a user terminal requests to inquire is acquired, when it is determined that the destination address contains a preset address domain, IP address translation is carried out, an IPv6 address corresponding to the destination address is acquired, and the preset address domain is a destination address set corresponding to the IPv4 service resources supported by an NAT64. The address translation method and device based on the DNS are mainly applied to the IPv4 and IPv6 address translation process.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a DNS (Domain Name System, Domain Name System)-based address conversion method and device. Background technique [0002] Currently, it is in the transition stage from IPv4 (Internet Protocol version4, Internet Protocol version 4) to IPv6 (Internet Protocol version6, Internet Protocol version 6). Enrichment of services and applications is a crucial part of promoting the IPv6 industry chain. Only rich IPv6 service applications can drive the development of IPv6 networks and users. Correspondingly, only when there are many IPv6 users, CP / SP (Content Provider / Service Provider, content provider / service provider) can have the motivation to realize the migration to IPv6. However, there are many problems in the migration of CP / SP to IPv6. First of all, there are many CP / SPs, including large, medium and small, etc., and the types of services they provide are also diverse. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12
Inventor 杨艳松范俊谱孔力王明会王健全陈国利夏俊杰张文钺华一强丁焰王泽林谢梦楠何晓峰宋亚楷
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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