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A P2P network based digital media program order method

A P2P network and digital media technology, applied in the field of digital media on-demand based on P2P network, can solve the problems of excessive load and unsmooth playback, and achieve the effect of ensuring fluency and reducing resource server load

Active Publication Date: 2011-05-25
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the defects that the digital media on demand method realized under the existing P2P network environment causes excessive load and unsmooth playback to the resource server when realizing digital media on demand, thereby providing a method that can effectively reduce the resource server Loads of digital media on demand methods

Method used

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  • A P2P network based digital media program order method
  • A P2P network based digital media program order method
  • A P2P network based digital media program order method

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Embodiment Construction

[0033] The present invention will be further described below with reference to the drawings and specific embodiments.

[0034] In the following embodiments, a P2SP (Peer-to-Server-and-Peer) network will be taken as an example to illustrate how to implement the method of the present invention in the network.

[0035] in figure 1 A schematic diagram of a P2SP network is given in. It can be seen from the figure that a P2SP network includes resource server groups, P2P user groups, index servers, Web portals, etc. The following describes how to implement digital media on-demand and download on the P2SP network.

[0036] Digital media on-demand means that after the user selects a certain digital resource, the user downloads this digital resource through the network, and plays the downloaded digital resource through the player in real time during the downloading process. Generally speaking, the downloaded digital resource is stored in a temporary file in the memory. When the playback is s...

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Abstract

The present invention provides a P2P network based digital media program order method which includes: a head data block requesting digital resource that to be ordered to a resource server; calculating range of secure play area in not played data block of digital resource to be ordered according to player progress of digital resource to be ordered; requesting data of not downloaded data block fromresource server to data block in the secure play area; downloading data from other user in P2P network in P2P download method to data block out of the secure play area. The method guaranty fluency ofprogram ordering and reduce resource server load.

Description

technical field [0001] The invention relates to digital media on-demand on the Internet, in particular to a P2P network-based digital media on-demand method. Background technique [0002] With the rapid development of the Internet (Internet) and digital technology, more and more digital media contents (usually audio and video resources) are traded and disseminated through the Internet. A large number of digital media content providers and operators use the high-speed Internet to publish digital content, which not only generates huge commercial value, but also provides a more convenient way for ordinary users to enjoy better audio-visual services. At present, the widely deployed VOD (Video on Demand) system can easily play the corresponding audio and video programs according to the needs of users, completely changing the passive way of watching programs in the past, and realizing on-demand viewing and arbitrary playback of programs. Users are provided with real-time, interac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/238H04N21/231H04N21/437H04L29/06
Inventor 马晨光王展李军刘靖吴海博高海强
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI