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Method and system for shortening time delay in peer-to-peer network streaming media live broadcast system

A peer-to-peer network and streaming media technology, applied in the field of network streaming media, to achieve the effect of solving service quality degradation, good stability and easy balance

Active Publication Date: 2013-01-02
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] However, the Cool Streaming / DONET model itself has some shortcomings:
The main problems in DONet are the startup delay of the system and the adaptability of the heterogeneous bandwidth of the network

Method used

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  • Method and system for shortening time delay in peer-to-peer network streaming media live broadcast system
  • Method and system for shortening time delay in peer-to-peer network streaming media live broadcast system
  • Method and system for shortening time delay in peer-to-peer network streaming media live broadcast system

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Embodiment Construction

[0071] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0072] The technical scheme of the method for delay reduction in the peer-to-peer network P2P streaming media live broadcast system of the present invention mainly comprises:

[0073] Deploy media source nodes in the system for media resource management of the entire system; and deploy some servers (more than one) in the system as cache routing servers for media resource management, route calculation and peer client management in local domains ; Other common nodes act as peer clients.

[0074] After receiving the streaming media data receiving request from the peer client, the cache routing server selects a suitable peer client among other managed peer clients, and establishes streaming media data interaction with the req...

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Abstract

The invention discloses a method and a system for shortening time delay in a peer-to-peer network streaming media live broadcast system. The system is provided with a media source node and a cache routing server, wherein the media source node is used for the media resource management of the whole system; the cache routing server is used for media resource management, routing calculation and peer client end management in a local domain; the cache routing server is used for selecting a proper peer client end from other managed peer client ends and establishing streaming media data interaction with a request peer client end; when needed media streaming data does not exist in the peer client end managed by the cache routing server, the cache routing server is used for requesting needed streaming media data information from other cache routing servers and transmitting the needed streaming media data information to the request peer client end; and when the cache routing server is failed forobtaining the needed streaming media data from other cache routing servers, the cache routing server is used for obtaining the needed data from the media source node and transmitting the needed data to the request peer client end.

Description

technical field [0001] The invention relates to the technical field of network streaming media, in particular to a method and system for reducing delay in a peer-to-peer network (P2P, peer-to-peer) streaming media live broadcast system. Background technique [0002] With the development of the Internet, it has become a hotspot to use the network for streaming media playback. Streaming media refers to multimedia that uses streaming technology on the Internet (Internet) / Intranet (Intranet). Streaming media does not need to download the entire file before playing, and can be watched while downloading. The principle is to divide the multimedia files transmitted to the user into different segments according to the order of broadcasting time, and then send these segments to the user in turn, and play these segments continuously to form continuous sound and images. Traditional network streaming media playback systems are generally based on client / server (C / S) mode. However, sinc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08H04L29/06H04L12/751H04L45/02H04N21/63
Inventor 唐宏梁洁武娟吕冠中庞涛丁圣勇
Owner CHINA TELECOM CORP LTD
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