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Method for content delivery involving a policy database

A database and content technology, applied in the transmission system, electrical components, etc., can solve the problems of long-time global judgment and complex algorithm, and achieve the effects of eliminating complexity, fast download time, and fast code conversion time

Active Publication Date: 2014-07-02
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the dynamic nature of this environment makes the algorithms highly complex and global decisions take a long time to make and implement

Method used

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  • Method for content delivery involving a policy database
  • Method for content delivery involving a policy database
  • Method for content delivery involving a policy database

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0053] figure 1 An example of a content delivery network CDN 100 is illustrated. CDN 100 includes four content servers 111 , 112 , 113 and 114 in this example. These content servers 111 - 114 are interconnected by a network comprising several routers or switches 121 , 122 and 123 . In the content server 111, media files 1111 are stored. The media file 1111 is accessible by seven different clients 131-135, 520, 620 in this example. Because most clients are located closer to server 112 than server 111 , it is worth considering moving content, ie, media files 1111 , from server 111 to server 112 . Closer here may be a distance based on the network, such as the number of node hops between the servers 111, 112 and the client 131 and so on. By moving the content closer to the clients 133-135 and 620, transmission resources in the network 100 are saved, there will be lower latency, and the response time will be faster.

[0054] In known prior art, the content servers 111 , 112 ,...

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PUM

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Abstract

The invention includes a content delivery system (510) for delivering content to clients (628, 660). The content delivery system (510) includes at least one mobile object (512) or multimedia device (620) adapted for mobile objects adapted to execute on the content delivery system (510) and on other content delivery systems (520). Each mobile object (512) includes a media file (513) and is also adapted to determine the capabilities of other content delivery systems (520) or multimedia devices (620) and monitor communication with clients (628, 660) on media files (513) Access related data. The content delivery system (510) also includes means for transcoding the media file (513) into another media file (523) before sending the other media file (523) to other content delivery systems (520) or multimedia devices (620). ) of the transcoder unit (519). The present invention solves problems that may arise when sending large media files to a content delivery system (520) or multimedia device (620) with limited capabilities.

Description

technical field [0001] The present invention relates to methods and systems for content delivery. Background technique [0002] A content delivery network or content distribution network (CDN) is a system of computers, such as content servers, that are networked together on the Internet and deliver content, especially media content, to clients. Content delivery networks are difficult to control and manage because requests for content come from different locations that sometimes follow certain viewing patterns. To optimize performance, the location of the content server and media content can be chosen to be close to the client. Many parameters must be taken into account to optimize media delivery in a content delivery network, such as: [0003] - Number of content servers [0004] -Location of client and content server [0005] - Location of useful resources (media content) [0006] - Popularity of useful resources [0007] - available bandwidth in the network [0008]...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08
CPCH04L67/104H04L65/602H04L69/24H04L67/2823H04L67/2828H04L67/1076H04L65/762H04L67/565H04L67/5651H04L65/756
Inventor P·卡尔森V·索扎
Owner TELEFON AB LM ERICSSON (PUBL)
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