디지털콘텐츠학회 논문지 (Journal of Digital Contents Society)

  • 제18권2호
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  • Pages.411-422
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  • 2017
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  • 1598-2009(pISSN)
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  • 2287-738X(eISSN)
한국디지털콘텐츠학회 (Digital Contents Society)
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로컬 물리적 네트워크에서 효율적인 대역폭 공유를 위한 퍼지 기반의 동적 방법

A Fuzzy-based Dynamic Method for Efficient Sharing Bandwidth in Local Physical Network

  • ;
  • 박상현 (전남대학교 전자컴퓨터공학과) ;
  • 장종현 (한국전자통신연구원) ;
  • 박재형 (전남대학교 전자컴퓨터공학과) ;
  • 김진술 (전남대학교 전자컴퓨터공학과)
  • Ma, Linh-Van (School of Electronics and Computer Engineering, Chonnam National University) ;
  • Park, Sanghyun (School of Electronics and Computer Engineering, Chonnam National University) ;
  • Jang, Jong-hyun (Electronics and Telecommunications Research Institute) ;
  • Park, Jaehyung (School of Electronics and Computer Engineering, Chonnam National University) ;
  • Kim, Jinsul (School of Electronics and Computer Engineering, Chonnam National University)
  • 투고 : 2017.04.22
  • 심사 : 2017.04.28
  • 발행 : 2017.04.30
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초록

현재 정책은 대역폭 공유에 대하여 평균 처리량을 높이고 로컬 네트워크의 대역폭 사용률을 향상시킨다. 하지만 이러한 정책은 각각 네트워크 흐름에 대역폭을 할당해주는 중앙 관리에서 사용자 특성 기반의 리소스를 할당 할 수 없다. 따라서 사용자 특성기반의 서비스를 보장하지 않기 때문에 불평등한 대역폭 할당이 발생된다. 따라서 본 논문에서는 제한된 대역폭 네트워크에서 대역폭을 공유하는 새로운 방법을 제안한다. 제안한 방법은 이상적인 퍼지 시스템을 사용하여 제한된 장치의 현재 사용량에 따른 대역폭 요청여부를 추전하고 결정한다. 본 논문에서는 OPNET의 비디오 스트리밍 시뮬레이션과 WebRTC의 실시간 비디오 스트리밍으로 구성된 두 가지 실행을 수행한다. 수행한 실험 결과를 통해 제안 된 방법이 네트워크 환경에서 사용자의 요구사항을 기반으로 대역폭 사용을 유연하게 공유 할 수 있다는 것을 확인 할 수 있었다.

Current policies for sharing bandwidth increase average throughput and improve utilization of the bandwidth in the local network. However, with these policies, a central administer, which is responsible for allocating bandwidth to each network flow, cannot allocate resources based on user characteristics. Thus, it leads to unfair bandwidth allocation because it does not guarantee services based on user characteristics. Therefore, we propose a novel negotiation method to share the bandwidth in a limited bandwidth network, in which, a user negotiates with other users to gain more resource. Ideally, we use a fuzzy system to infer and determine whether a device will request bandwidth or not based on the current usage of the given device. We conduct two experiments consisting of a video streaming simulation in OPNET and a real-time video streaming in WebRTC. The results of the experiment indicate that the proposed method can flexibly share the bandwidth utilization based on user's requirement in the network.

키워드

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피인용 문헌

  1. LR-PON에서 고정형 다중 스레드 기반의 동적대역할당 vol.18, pp.6, 2017, https://doi.org/10.9728/dcs.2017.18.6.1207