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Method for user to select network layer protocol, household gateway and Internet network

A home gateway and user equipment technology, applied in network connection, electrical components, transmission system, etc., can solve the problem that dual-stack users cannot access dual-stack application servers on the Internet, and achieve the effect of ensuring connectivity and guaranteeing network experience

Active Publication Date: 2014-06-11
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At that time, the coexistence of IPv6 and IPv4 networks will inevitably occur, resulting in many dual-stack users and dual-stack application services supporting both IPv4 and IPv6 protocols, which will inevitably bring about the following problem: when dual-stack users When accessing a dual-stack application server on the Internet, DNS requests for A and AAAA records will be sent at the same time. Since the accessed server is also a dual-stack application server, both IPv4 and IPv6 addresses will be returned in DNS
Therefore, dual-stack users cannot access the dual-stack application server on the Internet.

Method used

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  • Method for user to select network layer protocol, household gateway and Internet network
  • Method for user to select network layer protocol, household gateway and Internet network
  • Method for user to select network layer protocol, household gateway and Internet network

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Embodiment Construction

[0023] 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.

[0024] figure 1 A flowchart of an embodiment for selecting a network layer protocol for a user equipment according to the present invention. Such as figure 1 Shown:

[0025] Step 102, the address query request sent by the user equipment is sent to the DNS server through the home gateway....

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Abstract

This invention discloses a method for a user to select a network layer protocol, a household gateway and an Internet network. The household gateway receives an IPV4 address and an IPV6 address which are corresponding to the domain names carried in address query requests transmitted by the user equipment and returned by the DNS server; the household gateway detects that whether the household gateway is connected with the IPV4 addresses and the IPV6 address; and the household gateway returns the address which is one of the IPV4 address and the IPV6 address and is connected to the household gateway. This invention can determine to select which network communication protocol to perform communication on the user equipment through detecting whether the IPV4 address and the IPV6 address returned by the operator DNS are reachable, realize the intelligent selection for the network layer protocol stacks in order to guarantee the connectivity of communication, and can guarantee that the user network experience and the network application are reachable.

Description

technical field [0001] The invention relates to the domain name service technical field, in particular to a method for user equipment to select a network layer protocol, a home gateway and an Internet network. Background technique [0002] In recent years, due to the imminent depletion of IPv4 addresses, IPv6 technology has developed rapidly, and more and more applications based on IPv6 technology have been applied. In order to support IPv6, operators have upgraded the core backbone network to IPv6, and gradually began to consider deploying IPv6 in the access network to provide users with IPv6 access services. At that time, the coexistence of IPv6 and IPv4 networks will inevitably occur, resulting in many dual-stack users and dual-stack application services supporting both IPv4 and IPv6 protocols, which will inevitably bring about the following problem: when dual-stack users When accessing a dual-stack application server on the Internet, DNS requests for A and AAAA records ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/12H04L12/66
Inventor 李忠超杨国良郑浩黄志兰杨建高丽华刘春林束栋李少勇董晓军胡波
Owner CHINA TELECOM CORP LTD
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