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- W2320029518 abstract "스마트폰의 증가와 PC 성능 향상으로 유무선 통신망에 트래픽이 폭발적으로 증가하고 있다. 여기에는 페이스북, 유투브와 같은 멀티미디어 서비스와 파일 공유가 큰 부분을 차지하고 있다. CDN(Content Delivery Network)은 원거리에 있는 콘텐츠 사업자의 웹 서버에 저장된 콘텐츠를 이용자 근처 CDN 서버에 미리 저장, 콘텐츠 요구 발생 시 최적의 CDN 서버로부터 콘텐츠를 제공하는 콘텐츠 전송 기술이다. 본 논문에서는 콘텐츠 요청 메시지 전달에 Minimum Spanning Tree(MST) 알고리즘을 응용한 SCRP(Shortest Core Routing Path) 알고리즘을 사용해 CDN 서버와 클라이언트의 콘텐츠 전달에 이용되는 전체 트래픽 양을 최적화하였다. 또한 HC_LRU 캐시 알고리즘을 통해 캐시 적중률을 향상시킴으로써 콘텐츠 요청에 대한 평균 응답시간을 단축시켰다. 제안한 SCRP와 HC_LRU 알고리즘을 통해 트래픽을 지역화하고 병목현상을 방지하여 네트워크 자원을 효율적으로 사용하는 확장성 있는 콘텐츠 전송 네트워크 시스템을 구축할 수 있다. The traffic in the wired and wireless networks has increased exponentially because of increase of smart phone and improvement of PC performance. Multimedia services and file transmission such as Facebook, Youtube occupy a large part of the traffic. CDN is a technique that duplicates the contents on a remote web server of content provider to local CDN servers near clients and chooses the optimal CDN server for providing the content to the client in the event of a content request. In this paper, the content request message between CDN servers and the client used the SCRP algorithm utilizing the MST algorithm and the traffic throughput was optimized. The average response time for the content request is reduced by employing HC_LRU cache algorithm that improves the cache hit ratio. The proposed SCRP and HC_LRU algorithm may build a scalable content delivery network system that efficiently utilizes network resources, achieves traffic localization and prevents bottlenecks." @default.
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- W2320029518 date "2016-02-29" @default.
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- W2320029518 title "Content Delivery Network Based on MST Algorithm" @default.
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- W2320029518 doi "https://doi.org/10.7840/kics.2016.41.2.178" @default.
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