Journal of Advanced Navigation Technology (한국항행학회논문지)

The Korean Navigation Institute (한국항행학회)
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Profit-based Segment Caching for Wireless Streaming QoS

무선 스트리밍 QoS를 위한 이득 기반 세그먼트 캐싱

  • Lee, Chong-Deuk (Division of Electronic Engineering, Chonbuk national University)
  • 이종득 (전북대학교 전자공학부)
  • Received : 2012.04.26
  • Accepted : 2012.06.30
  • Published : 2012.06.30
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Abstract

This paper proposes a new profit popularity-based segment caching control mechanism for assuring a consecutive streaming QoS (Quality of Service) in the wireless channel. Then, the proposed mechanism operates SSCP (Single Segment Caching Profit) and MSCP (Multiple Segment Caching Profit) for assuring a QoS. SSCP and MSCP is to optimize the cache performance when is performed the streaming in the proxy. The proposed mechanism simulated to evaluate such mechanisms as fixed-partition mechanism, weight-based mechanism, SSCP, and MSCP. Simulation results show that the proposed mechanism has superior performance compared to other mechanisms.

본 논문에서는 무선 채널 상에서 연속적인 스트리밍 QoS 보장을 위한 새로운 이득 중요도 기반의 세그먼트 캐싱 제어 메커니즘을 제안한다. 제안된 기법은 QoS (Quality of Service)보장을 위해 SSCP (Single Segment Caching Profit)와 MSCP (Multiple Segment Caching Profit)에 의해 캐싱 제어를 수행한다. 이들 SSCP와 MSCP 캐싱 제어는 프록시에서 스트리밍이 수행될 때 캐시의 성능을 최적화하기 위한 것이다. 제안된 기법의 성능을 알아보기 위하여 본 논문에서는 고정 분할 기법, 임계값 기반 기법, SSCP와 MSCP의 성능을 비교하였으며, 그 결과 제안된 기법이 다른 기법들에 비해서 성능이 우수함을 보인다.

Keywords

References

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