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A video transmission system for a high quality and fault tolerance based on multiple paths using TCP/IP

다중 경로를 이용한 TCP/IP 기반 고품질 및 고장 감내 비디오 전송 시스템

  • Kim, Nam-Su (Dept. of Computer Science and Engineering, Chonbuk National Univ.) ;
  • Lee, Jong-Yeol (Department of Electronic Engineering, Chonbuk National Univ.) ;
  • Pyun, Kihyun (Dept. of Computer Science and Engineering, Chonbuk National Univ.)
  • Received : 2014.03.31
  • Accepted : 2014.09.15
  • Published : 2014.12.31

Abstract

As the e-learning spreads widely and demands on the internet video service, transmitting video data for many users over the Internet becomes popular. To satisfy this needs, the traditional approach uses a tree structure that uses the video server as the root node. However, this approach has the danger of stopping the video service even when one of the nodes along the path has a some problem. In this paper, we propose a video-on-demand service that uses multiple paths. We add new paths for backup and speed up for transmitting the video data. We show by simulation experiments that our approach provides a high-quality of video service.

e-러닝의 활성화와 인터넷 비디오 서비스 증가로 인하여 대규모 사용자에 대한 비디오 전송 서비스에 대한 요구가 매년 증가하고 있다. 이러한 요구를 충족시키기 위해 기존 방식은 비디오 서버를 루트 노드로 갖는 트리 구조를 이용하는데 이 방식은 경로상의 한 노드에서만 문제가 발생해도 그 노드 하위 노드들 전체의 서비스가 단절되는 위험성을 안고 있다. 본 연구에서는 다중 경로를 활용한 주문형 비디오 전송 서비스를 제안한다. 기존의 구조에서 사용하는 경로에 백업과 속도 향상을 위한 새로운 경로를 추가함으로서 상위 노드의 문제가 하위 노드의 서비스에 미치는 영향을 방지하여 고품질의 비디오 서비스를 제공할 수 있음을 실험을 통해 보인다.

Keywords

References

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