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Domain name analytic method, domain name server and domain name system

A domain name server and domain name resolution technology, applied in the field of network communication systems, can solve the problems of network bandwidth waste, DNS server processing resource waste, etc., and achieve the effect of saving network bandwidth and reducing communication delay.

Active Publication Date: 2006-04-05
ALCATEL LUCENT SHANGHAI BELL CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] Therefore, the purpose of the present invention is to solve the technical problems of the above-mentioned communication delay, network bandwidth waste and DNS server processing resource waste in the prior art, and provide a novel domain name resolution method, domain name server and domain name system

Method used

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  • Domain name analytic method, domain name server and domain name system
  • Domain name analytic method, domain name server and domain name system
  • Domain name analytic method, domain name server and domain name system

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Embodiment Construction

[0031] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0032] FIG. 1 is a schematic structural diagram of a domain name system (DNS). Reference numeral 101 denotes a user application, 102 denotes a resolver, 103 denotes a domain name server, and 104 denotes a cache. When the user application 101 wishes to obtain host addresses or mail information associated with a particular domain name, the user application 101 sends an appropriate type of query to the resolver 102 with the particular domain name in the query. When resolver 102 receives a user query from user application 101, resolver 102 sends a query to a domain name server 103 it knows, requesting relevant information. In response, resolver 102 either obtains the desired information from domain name server 103 or obtains referral information to another domain name server (not shown in FIG. 1 ). Using these reference information, the resolver 102 can ...

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Abstract

The invention provides a domain name resolution method, which comprises following steps: receiving a piece of query information from analyzer; when the query style belongs to the appointed, finding out matched domain name and style (A or AAAA)record from database; constructing response information to return to analyzer. It also provides opposite DNS and domain name system. This invention decreases communication delay in double stack nodes IP address analysis process, saves network bandwidth and treated resource in DNS.

Description

technical field [0001] The present invention relates to a network communication system, and more specifically relates to a domain name resolution method, a domain name server and a domain name system. Background technique [0002] IPv4 addresses and IPv6 addresses will coexist for a long time. A dual-stack host will have both IPv4 and IPv6 addresses. At present, in order to maintain compatibility with the IPv4 protocol, the use of addresses by newly developed IPv6 applications will become flexible. By introducing a new set of SOCKET API (application programming interface) on the upper layer of the protocol stack, such programs will be able to Running on the IPv4 protocol stack can also run on the IPv6 protocol stack. However, these new applications will have problems with domain name resolution because it cannot determine the IP version number of the machine it is trying to access. To resolve a given domain name, the application's Domain Name System (DNS) resolver has to ...

Claims

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Application Information

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IPC IPC(8): H04L29/12G06F17/30H04L29/06
Inventor 鄢仁祥宾梵翔朱克耀江滢澜江玮
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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