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Method and device for generating routing information

A technology of information generation and routing, applied in the field of network communication, can solve the problems of high maintenance cost, untimely maintenance, static routing configuration and update manual intervention, etc., and achieve the effect of improving maintenance efficiency and saving maintenance cost

Active Publication Date: 2017-08-25
NSFOCUS INFORMATION TECHNOLOGY CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Embodiments of the present invention provide a method and device for generating routing information, which are used to solve the problems that both configuration and update of static routing require manual intervention, high maintenance costs, and untimely maintenance

Method used

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  • Method and device for generating routing information
  • Method and device for generating routing information
  • Method and device for generating routing information

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Embodiment Construction

[0032] The basic idea of ​​the embodiment of the present invention is to use the DNS request packet and the DNS response packet to generate the DNS dynamic routing information in the DNS dynamic routing table, and the router can query the DNS dynamic routing table according to the destination IP address of the data transmission packet that needs to be forwarded , select the sending interface and the IP address of the next hop for the data transmission packet, because the router can automatically configure the DNS dynamic routing information when it receives the DNS request packet and DNS response packet, without manual participation, which can save maintenance costs and improve Maintenance efficiency.

[0033] The embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0034] like figure 1 As shown, it is a flow chart of the routing information generation method provided by the embodiment of the present i...

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Abstract

The present invention relates to the technical field of network communication, in particular to a method and device for generating routing information, which are used to solve the problems that manual intervention is required for configuration and update of static routes, the maintenance cost is high, and the maintenance is not timely; the embodiment of the present invention provides A data transmission method, comprising: after the router determines that the received data packet is a DNS request packet, recording the first information of the DNS request packet, and according to the first information, determining the subsequent received and responding to the DNS request packet The second information of the DNS response packet, according to the first information and the second information, generates a piece of DNS dynamic routing information in the DNS dynamic routing table; wherein, the DNS dynamic routing table is used for the router to query the interface for sending the data transmission packet and the IP address of the next hop receiving the data transmission packet; each piece of DNS dynamic routing information in the DNS dynamic routing table includes: destination IP address, IP address of the next hop and interface information.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method and device for generating routing information. Background technique [0002] With the division of China Telecom Group according to the north and south regions, the backbone network of the Internet is also divided into two parts: China Telecom and China Netcom. The access speed is relatively slow when the line accesses the website, or when Netcom users access the website through the telecommunications line; [0003] The domain name resolution service provided by the smart domain name system (Domain Name System, DNS) policy resolution can well solve the above problems; the most basic function of the smart DNS policy resolution is to intelligently judge the type of user visiting a website, and then according to different visits The author resolves the domain name of the website, that is, the URL, into different Internet Protocol (IP) addresses. For example, i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/741H04L29/12H04L45/74
Inventor 郝超
Owner NSFOCUS INFORMATION TECHNOLOGY CO LTD