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A method and device for selecting a CDN node

A node and node collection technology, applied in the field of communication, can solve problems such as long service access delays

Active Publication Date: 2020-05-22
CHINA UNITED NETWORK COMM GRP CO LTD
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Problems solved by technology

[0004] There are at least the following technical problems in the prior art: In the case of providing CDN services for high-priority terminals, although the edge CDN node connected to the MEC server is closer to the terminal, because the edge CDN node is isolated from the external CDN node, The global load balancer only grasps the information of external CDN nodes, so the CDN nodes selected for high-priority terminals are external CDN nodes, which will cause a large service access delay

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  • A method and device for selecting a CDN node
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  • A method and device for selecting a CDN node

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Embodiment Construction

[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0027] figure 1 A simplified schematic diagram of a system architecture to which the embodiments of the present invention can be applied is provided for an embodiment of the present invention, such as figure 1 As shown, the system architecture may include: a terminal 11, an MEC server 12, a global load balancer 13, at least one edge CDN node 14, at least one external CDN node 15, a base station 16, and a mobile core network 17.

[0028] The...

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Abstract

An embodiment of the invention discloses a method and equipment for selecting a CDN node, which relate to the field of communication, and implement the selection of an edge CDN node for a high priority user, thereby reducing the service access delay. The method comprises the specific steps that a global load balancer receives a DNS request and a identifier of a terminal sent by an MEC server, determines a target external CDN node according to a preset rule and the DNS request, sends an IP address of the target external CDN node to the MEC server, sends an application message for applying for the use of the edge CDN node to the MEC server when determining that a pre-stored high priority identifier set comprises the identifier of the terminal, and receives a response message for using the edge CDN node sent by the MEC server. The method and the equipment are used in the process of selecting the CDN node for the terminal.

Description

Technical field [0001] The embodiments of the present invention relate to the field of communications, and in particular to a method and device for selecting a Content Delivery Network (CDN) node. Background technique [0002] With the development of mobile Internet services and network technologies, mobile edge computing (Mobile Edge Computing, MEC) architecture has begun to appear. The MEC architecture can provide mobile network services. When CDN services are provided, the CDN node can be selected through the MEC architecture so that the terminal can obtain the required content nearby. The selection of the CDN node can be done through the Domain Name Service (DNS) ) Technology to achieve. [0003] The process of selecting a CDN node in the prior art is: the MEC server receives the DNS request sent by the terminal, and forwards the DNS request to the corresponding global load balancer via the core network. The global load balancer can then connect multiple external CDNs. The no...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08
CPCH04L67/1029H04L67/1031
Inventor 张勍冯毅盛煜朱常波李先达单丽雅
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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