Method and equipment for selecting CDN node

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

Active Publication Date: 2019-04-02
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Abstract
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  • Claims
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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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  • Method and equipment for selecting CDN node
  • Method and equipment for selecting CDN node

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Embodiment Construction

[0026] 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. 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.

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

[0028]Wherein, the terminal 11 sends...

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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] Embodiments of the present invention relate to the communication field, and in particular, to a method and device for selecting a content delivery network (Content Delivery Network, CDN) node. Background technique [0002] With the development of mobile Internet services and network technologies, a mobile edge computing (Mobile Edge Computing, MEC) architecture began to emerge. The MEC architecture can be used to provide mobile network services. When providing CDN services, the CDN node can be selected through the MEC architecture so that the terminal can obtain the required content nearby, and the selection of the CDN node can be done through the domain name service (Domain Name Service, DNS ) technology to achieve. [0003] The selection process of CDN nodes in the prior art is as follows: 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, and the...

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Application Information

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Patent Type & Authority Applications(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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