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Cloud service-based IPv6 (internet protocol version 6)/IPv4 (internet protocol version 4) translation method with communication initiated by IPv6 party

A cloud service and translator technology, applied in the field of computer networks, can solve the problems of host address configuration, user experience degradation, etc., and achieve the effect of seamless access

Active Publication Date: 2013-09-04
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] 2. IPv6 network performance issues
Switching to IPv6 under the condition that the current IPv6 technology is not yet fully mature will bring about a decline in user experience
[0010] 3. Host address configuration problem
Therefore, providing users with suitable network services is a huge challenge

Method used

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  • Cloud service-based IPv6 (internet protocol version 6)/IPv4 (internet protocol version 4) translation method with communication initiated by IPv6 party
  • Cloud service-based IPv6 (internet protocol version 6)/IPv4 (internet protocol version 4) translation method with communication initiated by IPv6 party

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Embodiment Construction

[0043] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0044] Realize the system structure of the inventive method as figure 1As shown, the information resource database and domain name resolution server are deployed on the IPv4 / IPv6 dual-stack network, and a stateless IPv4 / IPv6 translator and a stateful IPv6 / IPv6 translator are set up in series. An address list of IPv4 servers that can serve IPv6 users is established in the information resource database. An authorized address list of IPv6 users to be provided with translation cloud services is established in the information resource database. The cloud service provider reserves several public IPv4 address segments or private IPv4 address segments as IPv4 address segments fo...

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Abstract

The invention provides a cloud service-based IPv6 (internet protocol version 6) / IPv4 (internet protocol version 4) translation method with communication initiated by an IPv6 party, and relates to the technical field of a computer network. The method is used for realizing the service that an IPv6 user or a dual-stack user can seamlessly initiate the information resource for accessing the IPv4; a cloud service data center is provided with an information resource data base, a domain name analysis server, a stateless IPv4 / IPv6 translator and a stateful IPv6 / IPv6 translator, wherein the stateless IPv4 / IPv6 translator and the stateful IPv6 / IPv6 are connected with each other in series; a translation algorithm of the stateless IPv4 / IPv6 translator is used for translating an IPv4 address which is reserved for accessing a pure IPv4 server from an IPv6 network into a special IPv6 address which is embedded with the IPv4 address and uses an operator prefix; a translation algorithm of the stateful IPv6 / IPv6 is used for dynamically mapping any IPv6 addresses of the user into the special IPv6 address which is embedded with the IPv4 address; and the domain name analysis server is used for answering a domain name analysis request of the user, and returning an A record or an AAAA record for the user according to the content of an information resource data base, therefore, the pure IPv4 user of the dual-stack user can initiate the information resource for accessing the pure IPv4 by the IPv6.

Description

technical field [0001] The invention relates to the technical field of computer networks, in particular to a cloud service-based IPv4 / IPv6 translation method in which communication is initiated by an IPv6 party. Background technique [0002] The Internet has become the most important information infrastructure in the world, but the addressing range of IPv4, the fourth version of the network protocol widely used on the Internet, is only 2 32 , that is, 4.3 billion addresses, and the current IPv4 addresses are about to be allocated. [0003] At present, the absolute number of Internet users in China has become the first in the world, but the penetration rate of the Internet is only 30%, which is far below the level of developed countries (70%). At the same time, each Chinese Internet user has only 0.6 IPv4 addresses on average. Therefore, for China, IPv4 addresses cannot meet the demand. This problem is very serious for India and other Asian countries and African countries....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12H04L29/06
Inventor 包丛笑李星江伟峰
Owner TSINGHUA UNIV
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