The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Performance Evaluation of MPTCP over Shared Bottleneck Link

공유된 병목 링크를 경유하는 MPTCP의 성능 평가

  • Nguyen, Van Dien (Kongju University, Department of Information and Communication Engineering) ;
  • Ro, Soonghwan (Kongju University, Department of Information and Communication Engineering)
  • Received : 2014.11.19
  • Accepted : 2014.12.12
  • Published : 2015.01.30
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Abstract

In this paper, we present experimental results evaluating the performance of the Multipath TCP over shared bottleneck path in series of benchmark tests. In summary, we find that the Multipath TCP's fairness as well as its competitive responds to the change of network conditions such as latency, loss rate${\cdots}$ MPTCP is extremely unfair and powerful with regular TCP in ideal network conditions but its throughput decreases clearly even less than regular TCP in worse network conditions with very high latency, higher packet loss rate.

본 논문에서는 TCP와 병목 링크(bottleneck link)를 공유하는 MPTCP(Multipath TCP)의 성능을 실험을 통해서 측정하고 결과를 제시하였다. 실험을 통해서 MPTCP의 공정성(fairness)과 성능은 지연, 패킷 손실 등과 같은 전체 네트워크의 조건에 크게 영향을 받는다는 것을 알 수 있었다. 이상적인 일반적인 네트워크 조건에서 MPTCP는 TCP보다 상대적으로 성능이 높아서 TCP와 불공정(unfair) 하지만, 네트워크의 지연이 증가하고 패킷 손실이 증가함에 따라 처리율(throughput)이 감소하며 TCP보다도 처리율이 감소하는 것을 알 수 있었다.

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References

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