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Method for classifying and calibrating DNS (Domain Name Server) traffic and DNS server

A DNS server, type of technology, applied in digital transmission systems, electrical components, transmission systems, etc., can solve problems such as calibration and inability to perform line speed

Pending Publication Date: 2021-11-02
SHANGHAI YAMU COMMUNICATION TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the field of DNS big data analysis can analyze and count DNS traffic based on IP refined dimension tables, it relies on a huge log storage and analysis system, which belongs to post-event analysis and statistics, and cannot perform line-speed calibration

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  • Method for classifying and calibrating DNS (Domain Name Server) traffic and DNS server
  • Method for classifying and calibrating DNS (Domain Name Server) traffic and DNS server
  • Method for classifying and calibrating DNS (Domain Name Server) traffic and DNS server

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Embodiment Construction

[0019] The present invention will be described in detail below in conjunction with the accompanying drawings, and the features of the present invention will be further revealed in the following detailed description.

[0020] The following detailed description refers to the accompanying drawings that illustrate exemplary embodiments of the invention. However, the scope of the present invention is not limited to these embodiments but is defined by the appended claims. Accordingly, embodiments other than those shown in the figures, such as modified versions of the illustrated embodiments, are still encompassed by the invention.

[0021] References in this specification to "one embodiment," "an embodiment," "example embodiment," etc. mean that the embodiment may include a particular feature, structure, or characteristic, but that each embodiment does not necessarily include the particular feature, structure, or characteristic. Characteristic, structure or characteristic. Moreove...

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PUM

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Abstract

The invention relates to a method for classifying and calibrating DNS (Domain Name Server) traffic and a DNS server. According to the method, protocol extension specified by an EDNS0 (extended DNS) specification is adopted, the DNS request message and the DNS response message are classified according to different-dimension DNS classification methods, classification information is encoded, the encoding information is written into an extension part of the DNS data message, and conditions are provided for more detailed processing of DNS flow.

Description

technical field [0001] The invention relates to the technical field of data traffic processing, and more specifically, to a method for classifying and calibrating DNS traffic and a DNS server. Background technique [0002] Domain Name System (English: Domain Name System, abbreviation: DNS) is a service of the Internet. As a distributed database that maps domain names and IP addresses to each other, it can make it easier for people to access the Internet without having to remember IP numbers that can be directly read by machines. [0003] Generally speaking, when a client sends a DNS request, the DNS request will be forwarded to other DNS servers, and thus recursively, until the authoritative server returns a DNS response including the IP address. [0004] At present, the classification of DNS traffic is mainly based on the source IP, destination IP and other dimensions carried in the data packet to classify or divide traffic on the network device, but it cannot be classifie...

Claims

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Application Information

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IPC IPC(8): H04L29/12H04L12/851
CPCH04L47/2441H04L61/4511
Inventor 李文军汲传鑫
Owner SHANGHAI YAMU COMMUNICATION TECHNOLOGY CO LTD