디지털산업정보학회논문지 (Journal of Korea Society of Digital Industry and Information Management)

  • 제8권2호
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  • Pages.81-94
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  • 2012
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  • 1738-6667(pISSN)
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  • 2713-9018(eISSN)
디지털산업정보학회 (Korea Society of Digital Industry and Information Management)
권호 표지

혼합트래픽 네트워크에서 혼잡회피를 위한 큐 관리 알고리즘

Queue Management Algorithm for Congestion Avoidance in Mixed-Traffic Network

  • 김창희 (서울기독대학교 국제경영정보학과)
  • 발행 : 2012.06.30
⟨ 이전 논문 다음 논문 ⟩

초록

This paper suggests PARED algorithm, a modified RED algorithm, that actively reacts to dynamic changes in network to apply packet drop probability flexibly. The main idea of PARED algorithm is that it compares the target queue length to the average queue length which is the criterion of changes in packet drop probability and feeds the gap into packet drop probability. That is, when the difference between the average queue length and the target queue length is great, it reflects as much as the difference in packet drop probability, and reflects little when the difference is little. By doing so, packet drop probability could be actively controled and effectively dealt with in the network traffic situation. To evaluate the performance of the suggested algorithm, we conducted simulations by changing network traffic into a dynamic stat. At the experiments, the suggested algorithm was compared to the existing RED one and then to ARED one that provided the basic idea for this algorithm. The results proved that the suggested PARED algorithm is superior to the existing algorithms.

키워드

참고문헌

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