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《Acta Electronica Sinica》 2004-03
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A Research on Some Acitve Queue Management Algorithms

WU Chun-ming,JIANG Ming,ZHU Miao-liang (AI Institute of Zhejiang University,Hangzhou,Zhejiang 310027,China)  
To address the problem of TCP end-to-end congestion control,IETF advocates deploying active queue management (AQM) mechanisms in the TCP/IP networks.Several popular AQM algorithms,such as RED (Random Early Detection),BLUE,ARED (Adaptive RED) and SRED (Stabilized RED),are compared based on simulations and the performance metrics used in the study are queue size,packet drop probability,packet loss rate,throughput on different connections and link utilization on different buffer size.The simulation results indicate that in all these aspects,the performance of BLUE,ARED and SRED are better than that of RED.Furthermore,ARED and SRED can stabilize queue size and control packet loss rate effectively thus they maintain high link utilization,bounded delays and more certain buffer provision.
【CateGory Index】: TP393.07
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