The KIPS Transactions:PartC (정보처리학회논문지C)

Korea Information Processing Society (한국정보처리학회)
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An Analysis on the Effect of Extended Frames to the End-to-end Performance

대형 프레임이 종단 간 전송 성능에 미치는 영향 분석

  • Published : 2004.12.01
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Abstract

High performance net재rking is one of key factors to provide support for data intensive applications in the Internet. Extended frame size has a major impact on end to-end performance with increasing effective TCP throughput and decreasing system overhead. Most of the research about extended frames has focused on local area network performance and the impact that extended frame size has on the system elements including memory, network interface card and so forth. In the paper, we analyse the effects of the extended frames to the other traffic flows sharing Internet paths for the wide area performance of TCP by conducting various network simulations. Results show that securing available bandwidth in no loss and low delay networks is indispensable to exploit the efficiency of extended frames.

네트워크 가용 대역폭의 확보와 전송 효율성에 대한 고려는 고속/대용량 데이터의 처리를 위해 중요한 요소 기술이다. 대형 프레임의 사용은 TCP의 처리율 향상과 시스템 부하를 감소시켜 전송 효율성을 크게 향상 시킨다. 이러한 대형 프레임의 영향은 LAN 상황 및 시스템 측면에 국한되어 연구되어 왔고 경쟁 트래픽들과의 상관관계에 대한 논의는 충분히 고려되지 않고 있다. 본 논문에서는 다양한 네트워크 환경 하에서 대형 프레임이 트래픽 경로를 공유하는 경쟁 트래픽에 미치는 영향을 네트워크 모의실험을 통해 분석했다. 실험 결과를 통해 대형 프레임의 자원 선점 특성을 완화하기 위해서 가용대역폭의 확보가 중요하며 무손실, 저지연 환경이 대형 프레임을 이용한 종단 간 성능을 크게 향상시킴을 확인한다.

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