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Method and system for interconnecting nodes in content delivery network (CDN) as well as nodes

A content distribution network and central node technology, applied in the field of communication, can solve problems such as the complexity of Internet protocol implementation, achieve the effects of improving content access efficiency and resource utilization, and simplifying the network structure

Active Publication Date: 2012-05-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] 1. Due to the variety of Internet protocols, the media servers in each node in different or the same CDN network need to be compatible to implement these Internet protocols, and the implementation is complicated;

Method used

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  • Method and system for interconnecting nodes in content delivery network (CDN) as well as nodes
  • Method and system for interconnecting nodes in content delivery network (CDN) as well as nodes
  • Method and system for interconnecting nodes in content delivery network (CDN) as well as nodes

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Embodiment Construction

[0056] Hereinafter, the embodiments of the present invention will be described in more detail in conjunction with the accompanying drawings.

[0057] As in the solution described in the background technology, no matter whether it uses various Internet protocols at the application layer or a general unified protocol at the application layer, the current cascading method between nodes in different CDN networks is mainly realized by the media server application itself in the CDN node. The present invention aims at bypassing the media server application layer in the CDN node for accessing stored content between nodes in different or the same CDN network, and using the Internet Protocol (Internet Protocol, IP) layer remote storage access mechanism to realize the access between nodes in different CDN networks. Remote sharing of stored content. Since the storage protocol is implemented by the operating system layer and content storage, for CDN streaming media applications, it is not ...

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Abstract

The invention discloses a method and a system for interconnecting nodes in a content delivery network (CDN) as well as nodes. The CDN comprises a first-order CDN node and a second-order CDN node, wherein, the first-order CDN node is composed of a first CDN media server and a first CDN content memory and is used for providing content to a user, and the second-order CDN node is composed of a second CDN media server and a second CDN content memory and is interconnected with the first-order CDN node; and the first CDN media server accesses the content in the second CDN content memory through an IP (Internet Protocol)-layer storage access protocol. By adopting the technical scheme, a networking structure is simplified and the content access efficiency and resource utilization rate are improved.

Description

technical field [0001] The invention relates to communication technology, in particular to a method, system and node for interconnecting content distribution network nodes. Background technique [0002] The content delivery network (Content Delivery Network, CDN) is to add a new layer of network architecture to the existing IP network, and publish the content to the "edge" of the network closest to the user, so that the user can obtain the required content nearby. CDN is composed of multiple CDN nodes, forming a tree or network structure. Nodes with lower network positions are closer to users. Nodes closer to users generally store the hottest content, that is, the content with the highest access frequency, so as to realize the nearest service to users. The purpose is to reduce the loss of upper-level network bandwidth. A CDN node is generally composed of multiple media server clusters, and provides streaming media services to several users at the same time. [0003] At the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08
CPCH04L29/08549H04L67/1097
Inventor 甘漠徐晋陈宇
Owner HUAWEI TECH CO LTD
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