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Domain name resolution method, system and device

A technology of domain name resolution and equipment, applied in transmission systems, electrical components, etc., can solve problems such as slow user access, failure of domain name resolution system to serve, and inaccurate load balancing to achieve the effect of load balancing

Active Publication Date: 2021-03-09
CHINA TELECOM CLOUD TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The number of users served by the local DNS server varies greatly, and GSLB does not know the number of users served by the local DNS server, so GSLB allocates edge cache nodes according to the configured service priority, which cannot accurately achieve load balancing, and may even have small processing capacity. On the contrary, the edge cache node has a large number of visits, so it will cause slow user access or even the failure of the domain name resolution system to serve

Method used

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  • Domain name resolution method, system and device
  • Domain name resolution method, system and device
  • Domain name resolution method, system and device

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Embodiment Construction

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0034]The inventor considers that in the prior art, the GSLB device allocates access users according to the processing capabilities of the edge cache nodes, and can only use the local DNS server as the allocation granularity, resulting in the inconsistency between the user access volume of the edge ca...

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Abstract

The invention discloses a domain name analysis method, system and equipment, and relates to the technical field of content distribution network. The method includes: the global load balancing GSLB device receives the DNS query request sent by the DNS server of the local domain name system, and the DNS query request includes the IP address of the local DNS server; the GSLB device determines the connection with the local DNS server according to the IP address of the local DNS server The IP addresses and service priorities of the corresponding multiple edge cache nodes; the GSLB device returns the IP addresses and service priorities of the multiple edge cache nodes to the local DNS server, so that the local DNS server prioritizes the services according to the multiple edge cache nodes The IP address of the edge cache node is allocated to the user at the level, so as to realize the balanced allocation of access users to the edge cache node according to the service capability of the edge cache node.

Description

technical field [0001] The present invention relates to the technical field of content distribution network, in particular to a domain name resolution method, system and equipment. Background technique [0002] In the technical field of CDN (Content Delivery Network, content distribution network), GSLB equipment can (Global Server Load Balance, global load balancing) based on DNS (Domain Name System, Domain Name System) technology to dispatch Internet user requests to the nearest Edge cache nodes. [0003] In general, there are multiple edge cache nodes serving the same region, and the processing capabilities of each edge cache node may be different. At this time, GSLB will configure the service priority according to the processing capability of each edge cache node, and GSLB will assign the node IP to the local DNS server according to the service priority of the edge cache node. [0004] To reduce the number of DNS requests, the local DNS server caches the resolution resu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12H04L29/08
CPCH04L67/1036H04L61/4511
Inventor 侯光华冀晖李建军张平
Owner CHINA TELECOM CLOUD TECH CO LTD
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