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Video play-on-demand system

A video-on-demand and subsystem technology, applied in the field of communication, can solve the problems of high I/O overhead and disk consumption, difficult to get user approval, and increase system difficulty, so as to ensure availability, reduce disk storage and I/O O Overhead, Quantity Reduction Effects

Inactive Publication Date: 2008-11-26
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Media files that have not been streamed and blockized can only be continuously recorded and stored as a whole. Due to the large size of the file, it needs to be written to the disk in real time, and the I / O overhead and disk consumption of the user node are large, so it is difficult to be recognized by the user.
In addition, during video on demand, due to the user's VCR operation, it is difficult to record a complete file, which further increases the difficulty of system implementation

Method used

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Embodiment Construction

[0022] The specific implementation manners of the present invention will be described in detail below with reference to the accompanying drawings.

[0023] refer to figure 1 , illustrating the structure of the video-on-demand system in the P2P network according to the embodiment of the present invention. Such as figure 1 As shown, the video-on-demand system in the P2P network includes multiple content source subsystems and multiple partitioned media subsystems connected through the backbone network. Wherein, each content source subsystem includes a content source manager (functioning as a data loading device) and a plurality of transcoders (functioning as a data dividing device and a data extracting device). Each partitioned media subsystem includes at least one media gateway (with partial functions of the data transmission device), at least one service gateway (with the functions of the second storage device), and a plurality of central office nodes (with the terminal stor...

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Abstract

The invention discloses a video ordering system, comprising at least one content source subsystem for segmenting a multimedia document, generating the description data of the segmented multimedia document and downloading the segmented multimedia document and the description data into a districted media subsystem, at least one districted media subsystem for storing the segmented multimedia document and the description data and playing the segmented multimedia document. Via the invention, the service of a content distribution network is controllable, manageable and reliable, and the low price and better expandability of the P2P network are confirmed, thereby providing substrate for the application of P2P media service.

Description

technical field [0001] The present invention relates to the communication field, and more specifically relates to a video-on-demand system. Background technique [0002] With the rapid development of the Internet, broadband access, and peer-to-peer (Peer To Peer, P2P) technology, the use of P2P technology has been able to successfully carry out large-scale video download, live broadcast and other services on the Internet, but large-scale P2P Systems for video-on-demand services are still very rare. The reason is mainly that P2P video-on-demand has the following technical difficulties: [0003] When there are not many online users watching the same program and the broadcast point is close, the number of program source nodes is not enough, and it is difficult to effectively carry out P2P on-demand services; [0004] There are many kinds of video-on-demand media, the quantity is huge, and the storage cost is relatively large, which is very different from P2P live broadcast; ...

Claims

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Application Information

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IPC IPC(8): H04N7/173H04L29/06
Inventor 田洪亮
Owner ZTE CORP
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