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A method and device for collecting dns resolution time delay

A DNS server and delay technology, applied in the field of communication, can solve problems such as large DNS resolution delay error, and achieve the effect of refining DNS resolution delay, accurate DNS resolution delay, and eliminating interference

Active Publication Date: 2022-06-07
DATANG SOFTWARE TECH
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention provides a method and device for collecting DNS resolution time delay to solve the problem of large errors in DNS resolution time delay collected in the prior art

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  • A method and device for collecting dns resolution time delay
  • A method and device for collecting dns resolution time delay
  • A method and device for collecting dns resolution time delay

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Embodiment Construction

[0065] In order to make the above-described objects, features and advantages of the present invention can be more obvious and understandable, the following in conjunction with the accompanying drawings and specific embodiments of the present invention will be further detailed description.

[0066] Reference Figure 1 The "DNS root server" in the figure is 13 root servers in the world, the ".com name server" is the top-level server, and the "163.com domain server" provides the domain name source IP address, which is called the authoritative server.

[0067] The DNS root server can be the main directory used to manage the Internet, is the "root" of the DNS tree domain name space, responsible for the resolution of TLD (Tracking Learning Detectiom, target tracking algorithm), and plays an extremely critical role in domain name resolution.

[0068] The DNS top-level server can be the authority that manages the domain name of the relevant country.

[0069] The .com top-level name servers...

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Abstract

The embodiment of the present invention provides a method and device for collecting DNS resolution time delay. The method includes: receiving a user's domain name resolution instruction, responding to the domain name resolution instruction, and obtaining the target domain name to be collected and the DNS server identifier, so as to obtain the target domain name and DNS server identifier to be collected. The DNS server ID is used as the parameter of the dig command to call the dig command to obtain the response result. When the response result conforms to the preset format, the time result in the response result is the DNS resolution delay, and the DNS resolution delay represents the DNS server initiation The time from domain name resolution to finding an authoritative server that can provide the source IP of the target domain name to be collected. The probe server simulates the user's Internet access, records the DNS resolution process of the user's Internet access, and collects the time from the DNS server initiating domain name resolution to finding the authoritative server that can provide the source IP of the target domain name to be collected as the DNS resolution delay, which can exclude access Network and part of the metropolitan area network interference, reducing DNS resolution delay collection error.

Description

Technical field [0001] The present invention relates to the field of communication technology, specifically to a DNS analytic delay acquisition method and apparatus. Background [0002] With the vigorous development of the Internet, internet speed has become a concern for more and more netizens, and it has also become a key issue for Internet management departments. Users enter the URL in the network client browser, and the source IP address of the website domain name can be resolved through the local DNS to access the Internet, which shows that the DNS resolution domain name delay (referred to as dns resolution delay) performance has a direct impact on the Internet experience of netizens. [0003] China's Internet started late, many internet access must be set abroad, such as root DNS servers and top DNS servers, etc., so the Internet speed is not China's internal network upgrade can be completely solved. DNS resolution website source IP is the premise and necessary link for use...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L61/4511H04L61/10
CPCH04L61/10H04L61/4511
Inventor 张钲
Owner DATANG SOFTWARE TECH
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