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Redirection mechanism based intelligent CDN (content delivery network) scheduling method

An intelligent scheduling and redirection technology, applied in electrical components, transmission systems, etc., can solve problems such as poor access experience, abnormal selection of service nodes, and inability to respond to the nearest node, so as to improve accuracy and improve user service quality.

Inactive Publication Date: 2016-11-23
云之端网络(江苏)股份有限公司
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Problems solved by technology

[0007] However, in the prior art, the CDN manufacturer judges the source of the user according to the user's local domain name server (Local DNS, LocalDomain Name Server). The nearest node responds to the user, which may easily cause problems such as long time for the user to establish a connection, slow download speed, and poor access experience.
[0008] Due to the wrong setting of LocalDNS in the existing CDN, the selection of service nodes is abnormal. There are two situations as follows: User mobile IP -> LDNS is set to China Unicom -> GSLB resolution is assigned to the Cache node of China Unicom; domestic netizens -> LDNS is set to 8.8.8.8 , directly parsed to foreign countries, resulting in slow loading

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[0015] Below in conjunction with accompanying drawing, the present invention will be further described.

[0016] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the present invention.

[0017] This specific implementation mode adopts the following technical scheme: it is based on the redirection mechanism, and the selection of the nearest service node of the CDN is divided into two steps: 1. When the user initiates a user request, the global intelligent scheduling will assign an expected node according to the user's LocalDNS Second, the user initiates a user request to the expected nearest service node, and the node judges whether it is the best neare...

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Abstract

The invention discloses a redirection mechanism based intelligent CDN (content delivery network) scheduling method and relates to the field of CDN. The redirection mechanism based method is characterized in that selection of the nearest service nodes of the CND is divided into two steps of 1), when a user initiates a user request, scheduling one expected nearest service node by global intelligence scheduling according to Local DNS (local domain name server) of the user; 2), the user initiating the user request to the expected nearest service node, and judging whether the node is the optimal nearest service node or not according to IP (internet protocol) of the user, if yes, directing providing service, and if not, redirecting the user request to the optimal nearest service node on the basis of the redirection mechanism. In the method, three functional modules, namely an intelligent scheduling center module, an intelligent node analyzing module and a node redirecting module are involved. The redirection mechanism based intelligent CDN scheduling method has the advantages that accuracy in CDN global scheduling can be effectively improved after implementation, and service quality of the user can be improved.

Description

technical field [0001] The invention relates to the field of CDN content distribution network, in particular to a CDN intelligent scheduling method based on a redirection mechanism. Background technique [0002] The full name of CDN is Content Delivery Network, that is, content distribution network. Its purpose is to publish the content of the website to the "edge" of the network closest to the user by adding a new layer of network architecture to the existing Internet, so that the user can get the most Get the content you need and improve the response speed of users visiting the website. [0003] From the first day of its birth, the Internet lacked a dedicated central management structure, and also lacked unified product and technical standards, which resulted in the coexistence of many different network structures. Issues such as compatibility between different networks and transmission bottlenecks between different network operators / ISPs limit the flow of data. In terms...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/12
CPCH04L67/02H04L67/1021H04L67/1023H04L61/4511H04L67/63H04L67/60
Inventor 郭强
Owner 云之端网络(江苏)股份有限公司
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