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Method and device for storing domain name system records, method and device for parsing domain name

Inactive Publication Date: 2010-01-28
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0005]Accordingly, the present invention is directed to a method and device for storing domain name system (DNS) records, which are capable of reducing the burden of a terminal with a small storage capacity when frequently querying the DNS about a domain name.

Problems solved by technology

Therefore, it is possible that the IP address returned by the DNS server to the terminal is inappropriate, which probably results in that the terminal sends a query request to the DNS server once again to acquire the appropriate IP address, thus increasing unnecessary network traffics.

Method used

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  • Method and device for storing domain name system records, method and device for parsing domain name

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Embodiment Construction

[0044]All the embodiments of the present invention relate to the DNS technique. The related content of the DNS is first introduced before a detailed description of the embodiments of the present invention.

[0045]Hosts on the Internet can be identified by many means, for example, through their hostnames. As the hostname is mnemonic, for example, cnn.com and www.yahoo.com, people are more willing to use a hostname to identify a host. However, the hostname does not provide much information about the location of the host in the Internet. For example, if the hostname of a certain host is sina.com.cn, it is determined that the host is located in China, but no further location information is provided. Additionally, the hostname is composed of letters, numbers, and symbols with variable length, so it is difficult for the router to process.

[0046]In view of the above deficiency in identifying a hostname, hosts on the Internet may also be identified by IP addresses. Transmission Control Protoco...

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Abstract

A method, device, and terminal for storing domain name system (DNS) records are provided. The method includes: locally storing received DNS records needed to be stored; and if the size of all the stored DNS records does not satisfy a preset storing threshold, deleting a part of the stored DNS records to make the size of the remaining DNS records after deletion satisfy the storing threshold. A domain name parsing method, device, and server are provided. The method includes: receiving a DNS query request, where the DNS query request carries a domain name needed to be parsed and at least one of a service identity (ID) and user information; selecting a network address corresponding to the domain name according to the service ID and / or the user information; and if the corresponding network address is selected, returning the selected network address as a query result of the DNS query request.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a continuation-in-part of International Patent Application No. PCT / CN2008 / 070604, filed on Mar. 27, 2008, which claims priority to Chinese Patent Application No. 200710100503.6, filed on Apr. 4, 2007, both of which are hereby incorporated by reference in their entireties.FIELD OF THE DISCLOSURE[0002]The present invention relates to a domain name system (DNS) technique, more particularly to a technique for storing DNS records and a technique for parsing domain name.BACKGROUND OF THE DISCLOSURE[0003]In the current Internet Protocol (IP) network, one domain name is corresponding to at least one IP address, and the corresponding relation between the domain name and the IP addresses can be stored in a domain name system (DNS) server. When a terminal intends to get access to a network equipment corresponding to a certain domain name, the terminal queries the DNS server about IP addresses corresponding to the domain name, the...

Claims

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Application Information

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IPC IPC(8): G06F15/173G06F15/16G06F17/30
CPCH04L29/12066H04L29/12132H04L69/28H04L61/1552H04L61/1511H04L61/4552H04L61/4511
Inventor YANG, JIANCHEN, GUOQIAOWANG, LEI
Owner HUAWEI TECH CO LTD
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