Journal of Korea Multimedia Society (한국멀티미디어학회논문지)

Korea Multimedia Society (한국멀티미디어학회)
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Study on the Measurement-Based Packet Loss Rates Assuring for End-to-End Delay-Constrained Traffic Flow

지연 제한 트래픽 흐름에 대한 측정 기반 패킷 손실률 보장에 관한 연구

  • Kim, Taejoon (Dept. of Information & Comm. Eng., Kongju National University)
  • Received : 2017.03.29
  • Accepted : 2017.05.26
  • Published : 2017.07.31
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Abstract

Traffic flows of real-time multimedia services such as Internet phone and IPTV are bounded on the end-to-end delay. Packets violating their delay limits will be dropped at a router because of not useful anymore. Service providers promise the quality of their providing services in terms of SLA(Service Level Agreement), and they, especially, have to guarantee the packet loss rates listed in the SLA. This paper is about a method to guarantee the required packet loss rate of each traffic flow keeping the high network resource utilization as well. In details, it assures the required loss rate by adjusting adaptively the timestamps of packets of the flow according to the difference between the required and measured loss rates in the lossy Weighted Fair Queuing(WFQ) scheduler. The proposed method is expected to be highly applicable because of assuring the packet loss rates regardless of the fluctuations of offered traffic load in terms of quality of services and statistical characteristics.

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References

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