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Distributed Contents Delivery Network based on Home gateway for a Sustainable Service

안정적인 서비스를 위한 홈 게이트웨이 기반의 분산 컨텐츠 전송 네트워크

  • 김명원 (숭실대학교 정보통신전자공학부) ;
  • 윤영효 (숭실대학교 정보통신전자공학부) ;
  • 고중식 (숭실대학교 정보통신전자공학부) ;
  • 곽후근 (숭실대학교 정보통신전자공학부) ;
  • 정규식 (숭실대학교 정보통신전자공학부)
  • Published : 2008.10.31

Abstract

DCDN(Distributed Contents Delivery Network) as known the next generation of CDN is to exploit the resource of client PCs based on P2P technology to provide low cost, high scalability and high speed services when contents are delivered. This DCDN has two problems. One is that DCDN can't provide a sustainable service because client PCs are on/off irregularly and their on times tend to focus on specific time zone, and the other is that client PCs can not be accessed outside in DCDN if they are behind NAT or Firewall. In this paper, we present a distributed contents delivery network based on home gateway for a sustainable service. If home gateway is used in DCDN instead of client PC, it can solve the two existing problems of DCDN. That is, home gateway can provide a sustainable service because it is on during all day and it is not behind NAT and Firewall. The proposed method is implemented with ASUS WL-500GP, a wired/wireless router. Experimental results show the effectiveness of the proposed method compared to the existing method of DCDN.

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