Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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QoS-based P2P Streaming Protocol

QoS 기반이 P2P 스트리밍 프로토콜

  • Published : 2009.08.31
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Abstract

This paper proposes a P2P(Peer-to-Peer) streaming protocol which allows various QoS(Qualify of Service) requirements of video streaming to be supported for various personal IPTV applications in ubiquitous Internet environments. The proposed P2P streaming protocol takes fairly short startup delay, guarantees end-to-end delay bound and bandwidth requirements, and supports reliability level of video streaming for an IPTV application. The QoS-based P2P streaming protocol can properly use not only the advantages of scalability, availability, and ubiquity of P2P streaming but also complement its disadvantages of performance and reliability so that various types of personal IPTV applications can be properly implemented in the existing broadband Internet environments.

본 논문은 유비쿼터스 인터넷 환경에서 다양한 개인 IPTV 응용 서비스를 제공할 수 있도록 QoS 요구사항을 제어 할 수 있는 P2P(Peer-to-Peer) 스트리밍 프로토콜을 제시한다. 본 논문에서 제시된 P2P 스트리밍 프로토콜은 IPTV의 비디오 스트리밍 채널에 대해 짧은 초기 지연시간(startup delay)을 제공하고, 참여자에 대한 종단간 지연시간(end-to-end delay)과 대역폭(bandwidth)을 보장하며, 응용 서비스에 적합한 신뢰 수준(reliability level)을 설정할 수 있게 한다. QoS 기반의 P2P 스트리밍 프로토콜은 P2P 스트리밍의 확장성(scalability), 가용성(availability), 그리고 편재성(ubiquity)의 장점을 살리면서 성능(performance)과 신뢰성(reliability) 측면의 단점을 적절하게 보완함으로써 기존 광대역 인터넷 환경에서 다양한 유형의 실시간 개인 IPTV 채널 구현할 수 있게 한다.

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References

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