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Method of choosing network layer protocol, domain name server (DNS), and domain-name management system

A DNS server and network selection technology, applied in transmission systems, electrical components, etc., can solve problems such as experience impact and users' inability to discover and solve them, and achieve the effect of high control

Active Publication Date: 2013-06-19
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This will have a great impact on user experience, and most users may not be able to find and solve this problem

Method used

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  • Method of choosing network layer protocol, domain name server (DNS), and domain-name management system
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  • Method of choosing network layer protocol, domain name server (DNS), and domain-name management system

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Embodiment Construction

[0024] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are illustrated. 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 making creative efforts belong to the protection scope of the present invention.

[0025] The DNS server of the present invention receives the address query request sent by the client, obtains the IPV6 address corresponding to the domain name carried in the address query request, and judges whether the client can access the device configured with the IPV6 address; if it ca...

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PUM

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Abstract

The invention discloses a method of choosing a network layer protocol, a domain name server (DNS), and a domain-name management system, and relates to a domain name service area. The method of choosing the network layer protocol comprises the following steps of receiving requests sent by a client to query address, obtaining IPV6 address corresponding to the domain name carried by the address query request, judging whether the client can access to a device configured with the IPV6 address or not, returning the IPV6 address to the client by the DNS if the client can have access to the device configured with the IPV6 address, and if the client can not have access to the device configured with the IPV6 address, returning IPV4 address corresponding to the domain name to the client to enable an application program of the client to choose to have access to an IPV4 protocol or an IPV6 protocol which can be normally accessed to. The method of choosing the network layer protocol, the DNS, and the domain-name management system enable the application program of the client to choose to have access to an IPV4 protocol service or an IPV6 protocol service which can be normally accessed to, and is characterized by being low in cost, cross-regional and the like.

Description

technical field [0001] The invention relates to the domain name service technical field, in particular to a method for selecting a network layer protocol, a DNS server and a domain name management system. Background technique [0002] There is a one-to-one correspondence between domain names and IP addresses on the Internet. Domain names are composed of a string of words or abbreviations separated by dots. Each domain name corresponds to a unique IP address. Although domain names are easy for people to remember, machines can only recognize each other's IP addresses, and the conversion work between them is called domain name resolution. The DNS (Domain Name System) server is a server that executes domain name service, and answers domain name service queries through the DNS server. The DNS client requests a domain name (Domain Name) from the DNS server, and the DNS server returns the real IP address corresponding to the Domain Name. [0003] With the depletion of global IPV4...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12H04L29/06
Inventor 杨国良刘广义丁圣勇黄志兰
Owner CHINA TELECOM CORP LTD