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P2P Streaming Method for QoS-sensitive Multimedia Multicast Applications

QoS에 민감한 멀티미디어 멀티캐스트 응용을 위한 P2P 스트리밍 기법

  • 박승철 (한국기술교육대학교 컴퓨터공학부)
  • Received : 2010.06.14
  • Accepted : 2010.08.13
  • Published : 2010.09.28

Abstract

As the IP multicast function is very slowly deployed in Internet due to its scalability problem and inter-domain interoperability problem, interest in the P2P(Peer-to-Peer) streaming technologies for the realtime multimedia multicast applications such as IPTV is highly growing. This paper proposes a P2P streaming method for the QoS-sensitive multimedia multicast applications such as highly-interactive personal IPTV and video conferences. The proposed P2P streaming method allows an application to construct a reliable streaming tree in which a proper number of backup peers are placed according to its reliability requirement. The reliable streaming tree reduces the reconnection delay, occurred in the case of a normal and/or abnormal peer leave, so as to minimize the loss of streaming data. In the proposed P2P streaming method, the join delay of a peer called startup delay is also substantially reduced because the bandwidth and end-to-end delay information of every peer kept in a distributed way allows the target peer for a joining peer to be able to be quickly determined. Moreover, the proposed method's peer admission control mechanism based on the bandwidth and end-to-end delay enables the delay-bounded streaming services to be provided for its corresponding applications.

Keywords

P2P Streaming;QoS;IPTV

Acknowledgement

Supported by : 한국기술교육대학교

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