基於中國餘式定理的 CDN-P2P 隨選視訊系統; A Chinese Remainder Theorem based CDN-P2P Video-On-Demand System

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Title:	基於中國餘式定理的 CDN-P2P 隨選視訊系統;A Chinese Remainder Theorem based CDN-P2P Video-On-Demand System
Authors:	鍾珍慧;Chung,Chen-Hui
Contributors:	資訊工程學系
Keywords:	隨選視訊系統;線性網路編碼;基於中國餘式定理的群鑰管理;Video-on-Demand System;Linear Network Coding;Chinese Remainder Theorem based Group Key Managemeng
Date:	2013-07-30
Issue Date:	2013-08-22 12:09:19 (UTC+8)
Publisher:	國立中央大學
Abstract:	近年來隨著寬頻網路的拓展，網路協定電視(Internet Protocol Television)也越來越普及，但收費的網路協定電視節目卻往往受到需要安裝機上盒(Set-top Box, STB)的限制；不收費的網路協定電視節目卻多為侵權內容，損害了內容供應商(content provider)的權益。如何讓社會大眾能透過具有寬頻網路服務的個人電腦(Personal Computer)收看電視節目，減少安裝機上盒的成本與時間，又能阻止版權影片的散播，維護內容供應商的權益成為本篇論文探討的課題。本篇論文試著以 CDN-P2P 網路架構結合基於中國餘式定理群組金鑰管理(Chinese Remainder Theorem based group key management)與線性網路編碼(Linear Network Coding)的方法，重製影片內容並驗證，使只有系統中合法使用者才可成功還原原始影片觀看。本文除了實驗測試外，我們也試著討論所提出方法的優點及效率──服務供應商只需控制部分影片的子片段就能防止非法使用者觀看影片。 In recent years, IPTV service has been popular with the growth of broadband networks. More and more content providers and service providers try to provide their own IPTV services to their users with copyright content. To prevent copyright protected videos from illegal users watching, legal users must install set-top box or media player which is provided by the service provider. Neither installing set-top box takes lots of time and cost nor most of videos played by specific media player cause the leakage path which violate copyright protection. How to provide a safer environment for content service providers and how to save cost and time in installing set-up box are the two main issues in this paper. In this paper, we try to provide an environment with Chinese Remainder Theorem based group key management and linear Network coding to solve the illegal watching problems. And we also verify the videos can only been watched by legal users. After the experiment results, we discuss the advantage of the proposed system that service provider only need to control a few sub-chunks of video to prevent from illegal watching behavior.
Appears in Collections:	[Graduate Institute of Computer Science and Information Engineering] Electronic Thesis & Dissertation

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