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A content distribution system, content distribution method and content distribution device

A distribution system and content technology, applied in the direction of selective content distribution, image communication, electrical components, etc., can solve the problems of hysteresis of popular statistical methods and inability to effectively predict the content trend of the latest popular programs, etc.

Inactive Publication Date: 2015-09-23
SHENZHEN COSHIP ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] However, the memory caching method in the prior art 2 only improves the streaming efficiency of the media station, and cannot reflect and process the content distribution of popular programs in CDN. The statistical method of popularity still lags behind, and cannot effectively predict the trend of the latest popular program content.

Method used

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  • A content distribution system, content distribution method and content distribution device
  • A content distribution system, content distribution method and content distribution device
  • A content distribution system, content distribution method and content distribution device

Examples

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Effect test

example 1

[0157] In the CDN of the digital TV network, there are two programs, program A and program B respectively. After a period of operation, the central control server in the CDN has calculated that the peak time period for on-demand programs of program A is 17:00-19:00 every day, and the peak time period of on-demand programs for program B is 20:00-23:00 every day. A and program B are interchangeable program contents in the time domain. Program A is transmitted to the edge cache server in the corresponding area before 17 o'clock every day according to the CDN network bandwidth in advance of time T, and the edge cache server is deleted before 20 o'clock. program A, and transfer program B to the edge cache server in the corresponding area, so that more popular program content can be stored in the same edge cache server space.

example 2

[0159] In the NCDN of the digital TV network, the CPM obtains the distribution task of the program content that the current CL should handle within the set time period, such as interacting with the CL every 60 seconds to obtain instant hot program content, such as injecting content C into CL, there is no program content C in all the edge cache servers in NCDN. After the operator publicizes the program content C, a large number of users order the program content C, then after the CPM statistics, it is confirmed that the program content C is the program content of the instant popularity distribution, and the instant popularity distribution task of the program content C is generated, and the CL is notified to share the program content C is pushed to the edge cache server. If there are other distribution tasks in the current CL and CG at this time, the CPM will determine the execution order of the distribution tasks according to the priority levels of different popular program con...

example 3

[0161] When the program content is continuously injected into the CL, the pre-distributed program content with strong popularity is preferentially allocated to the edge cache server, but when the storage space of the CG is relatively small, the CPM counts the popularity of the program content in the CG, for example, using heat iteration Statistics, get the program content with the lowest popularity, that is, the program content of the cold film, establish the deletion task of the cold film program content of CG, and execute the deletion task of the cold film program content when it is judged that the storage space of the CG reaches the set threshold , to provide storage space for subsequent distribution of different popular programs. When CPM conducts statistics on the popularity of program content, it uses regions as units. The same program content may have different performances in different regions. When NCDN adopts a hierarchical structure, the program content with regiona...

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Abstract

The invention discloses a content distribution system, a content distribution method and a content distribution device. When distributing program contents to edge cache servers, a central management and control server counts the heat degrees of the program contents according to time domains and regions of the program contents and quantifies the heat degrees, so that heat degree quantified values of the time domains and the regions of all the program contents are obtained, and the program contents with the time domain interchangeability are determined; and an instruction program content base distributes the program contents with the time domain interchangeability to change partitions set by the edge cache servers in the corresponding regions before the heat degree time domains corresponding to the program contents are reached. Therefore, the program contents with different heat degrees in different regions can be determined accurately, and the determined heat degree program contents are distributed to the edge cache servers in the corresponding regions.

Description

technical field [0001] The invention relates to the field of digital television systems, in particular to a content distribution system, a content distribution method and a content distribution device. Background technique [0002] A digital TV system is an end-to-end system that processes signals digitally from program acquisition, program production, program transmission to the user end. In the digital TV system, based on the digital video broadcasting (DVB, Digital Video Broadcasting) technical standard broadcast and interactive digital TV, the use of advanced user management technology on the user side can make the quality and quantity of program content perfect, for Users bring more program choices and better program quality effects. Compared with the traditional analog TV system, which uses analog TV on the user side, digital TV has the characteristics of high image quality, large program content capacity and good sound quality. [0003] Since the program content cap...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/25H04N21/266H04N21/231
Inventor 王远涛
Owner SHENZHEN COSHIP ELECTRONICS CO LTD
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