Video ordering transmission method based on peer-to-peer computing set-top box

A technology of video-on-demand and transmission method, which is applied in the field of video-on-demand transmission based on peer-to-peer computer top boxes, and achieves the effects of high reliability and stability, good disaster recovery capability, and cost reduction

Inactive Publication Date: 2010-10-20
NANJING UNIV OF POSTS & TELECOMM
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the transmission mode adopted by the traditional set-top box is basically the c/s mode, which puts forward high re...

Method used

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  • Video ordering transmission method based on peer-to-peer computing set-top box
  • Video ordering transmission method based on peer-to-peer computing set-top box
  • Video ordering transmission method based on peer-to-peer computing set-top box

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Embodiment Construction

[0030] Improved BitTorrent protocol

[0031] The original BitTorrent protocol is dedicated to file sharing and downloading, and has no real-time requirements. Therefore, with the continuous development of BitTorrent, the P2P structure of BitTorrent is now a hybrid P2P structure. In BitTorrent, there are both centralized directory structures. A fully distributed structured P2P structure composed of DHT. From a functional point of view, both the centralized directory structure and the fully distributed structure are only to provide resource search in BitTorrent, and the work other than search is generally completed independently by nodes and has nothing to do with other network elements. Usually, the multimedia on-demand system is a system with high real-time requirements, and the design and implementation of the system should fully consider the time indicators of each function.

[0032] In order to achieve efficient file transfer and balance the distribution of resources in th...

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PUM

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Abstract

The invention relates to a topological structure of a video ordering transmission method based on a peer-to-peer computing set-top box, which comprises a web television (IPTV) back stage service system, an IPTV terminal user group and an Internet user group, wherein the IPTV terminal user group consists of each user set-top box, the Internet user group consists of personal computer (PC) users, and the IPTV back stage service system mainly consists of an electronic program list server (EPG), an index server (Tracker), a seed manufacture server, a web page browsing server (WEB) and a stream media server. The invention improves the Bit Torrent protocol, introduces a slide window, adopts an integrated cataloged peer-to-peer (P2P) structure, solves the problems of server single-point failure and server connection bottleneck, lightens the pressure loaded at the server end, and realizes the application of the peer-to-peer computing to the set-top box.

Description

technical field [0001] The invention discloses a method for realizing video-on-demand transmission of an embedded P2P (Peer-to-Peer) set-top box. The overall system architecture includes an IPTV background service system, an IPTV terminal user group, and an Internet user group. It also includes EPG server, Tracker server, seed production server and streaming media server group. The P2P downloading technology used in the present invention is an improved BitTorrent protocol to realize the real-time requirement of video-on-demand, and belongs to the field of peer-to-peer network applications. Background technique [0002] Peer-to-Peer Computing (P2P) changes the original asymmetric computing mode such as C / S computing (Client / Server Computing) or B / S computing (Brower / Server Computing), and the status of each node Peer-to-peer can become both a user and a provider of services at the same time, which provides a flexible and scalable computing platform for large-scale informatio...

Claims

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Application Information

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IPC IPC(8): H04N7/173H04N7/24H04L29/06H04L29/08
Inventor 王汝传裴双迎韩志杰李致远吴敏徐鹤邵星
Owner NANJING UNIV OF POSTS & TELECOMM
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