The Design of a P2P Live and Time-Shift Streaming System
碩士 === 國立交通大學 === 資訊科學與工程研究所 === 97 === P2P multimedia streaming today can be categorized into live streaming and video-on-demand (VoD) streaming, both adopt P2P techniques to provide multimedia streaming services. However, live streaming users can only watch the latest media contents but cannot wat...
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ndltd-TW-097NCTU53941062015-10-13T15:42:33Z http://ndltd.ncl.edu.tw/handle/28853056075372060199 The Design of a P2P Live and Time-Shift Streaming System 支援實況與移時串流影音服務之P2P系統 Tsai, Hsuan-Ya 蔡玄亞 碩士 國立交通大學 資訊科學與工程研究所 97 P2P multimedia streaming today can be categorized into live streaming and video-on-demand (VoD) streaming, both adopt P2P techniques to provide multimedia streaming services. However, live streaming users can only watch the latest media contents but cannot watch previous ones. Although VoD streaming users can watch what they want at any given time, they cannot watch live media content. We propose a streaming system providing both live streaming and time-shift streaming. Users can watch each one of them at any given time. When watching live streaming, peers exchange the information of block availability and sub-streaming subscription to request the latest media contents. Each user efficiently stores these media contents according to our storage policy and replacement strategy we design, including the interaction between the index server and the peer itself. When watching time-shift streaming, each user first locates the media contents it wants to watch through the index server - users having that specific media content will be found. According to our storage policy, these users may have the up-coming media contents with high probability. They form a group that each user can exchange information with each other to request the media content it needs. We also design the group management mechanism like peer join, peer leave and list maintenance. The storage policy in time-shift streaming is different from that in live streaming. It could help extend the coverage length of media contents. Chang, Ming-Feng 張明峰 2009 學位論文 ; thesis 36 en_US |
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碩士 === 國立交通大學 === 資訊科學與工程研究所 === 97 === P2P multimedia streaming today can be categorized into live streaming and video-on-demand (VoD) streaming, both adopt P2P techniques to provide multimedia streaming services. However, live streaming users can only watch the latest media contents but cannot watch previous ones. Although VoD streaming users can watch what they want at any given time, they cannot watch live media content.
We propose a streaming system providing both live streaming and time-shift streaming. Users can watch each one of them at any given time. When watching live streaming, peers exchange the information of block availability and sub-streaming subscription to request the latest media contents. Each user efficiently stores these media contents according to our storage policy and replacement strategy we design, including the interaction between the index server and the peer itself. When watching time-shift streaming, each user first locates the media contents it wants to watch through the index server - users having that specific media content will be found. According to our storage policy, these users may have the up-coming media contents with high probability. They form a group that each user can exchange information with each other to request the media content it needs. We also design the group management mechanism like peer join, peer leave and list maintenance. The storage policy in time-shift streaming is different from that in live streaming. It could help extend the coverage length of media contents.
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author2 |
Chang, Ming-Feng |
author_facet |
Chang, Ming-Feng Tsai, Hsuan-Ya 蔡玄亞 |
author |
Tsai, Hsuan-Ya 蔡玄亞 |
spellingShingle |
Tsai, Hsuan-Ya 蔡玄亞 The Design of a P2P Live and Time-Shift Streaming System |
author_sort |
Tsai, Hsuan-Ya |
title |
The Design of a P2P Live and Time-Shift Streaming System |
title_short |
The Design of a P2P Live and Time-Shift Streaming System |
title_full |
The Design of a P2P Live and Time-Shift Streaming System |
title_fullStr |
The Design of a P2P Live and Time-Shift Streaming System |
title_full_unstemmed |
The Design of a P2P Live and Time-Shift Streaming System |
title_sort |
design of a p2p live and time-shift streaming system |
publishDate |
2009 |
url |
http://ndltd.ncl.edu.tw/handle/28853056075372060199 |
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