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QoS Adaptive Flow based Active Queue Management Algorithm and Performance Analysis

QoS 적응형 플로우 기반 Active Queue Management 알고리즘 및 성능분석

  • 강현명 (국립한밭대학교 정보통신전문대학원 멀티미디어공학과) ;
  • 최환석 (국립한밭대학교 정보통신전문대학원 멀티미디어공학과) ;
  • 이우섭 (국립한밭대학교 정보통신전문대학원 멀티미디어공학과)
  • Received : 2009.10.30
  • Accepted : 2009.11.18
  • Published : 2010.03.28

Abstract

Due to the convergence of broadcasting and communications, IPTV services are spotlighted as the that next-generation multimedia services. IPTV services should have functionality such as unlimited channel capacity, extension of media, QoS awareness and are required increasing traffic and quality control technology to adapt the attributes of IPTV service. Consequently, flow based quality control techniques are needed. Therefore, many studies for providing Internet QoS are performed at IETF (Internet Engineering Task Force). As the buffer management mechanism among IP QoS methods, active queue management method such as RED(Random Early Detection) and modified RED algorithms have proposed. However, these algorithms have difficulties to satisfy the requirements of various Internet user QoS. Therefore, in this paper we propose the Flow based AQM(Active Queue Management) algorithm for the multimedia services that request various QoS requirements. The proposed algorithm can converge the packet loss ratio to the target packet loss ratio of required QoS requirements. And we present a performance evaluation by the simulations using the ns-2.

Keywords

AQM;Buffer Management;IP QOS;Multimedia Service

Acknowledgement

Supported by : 한밭대학교

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