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INTERNATIONAL JOURNAL OF COMMUNICATION SYSTEMS Int. J. Commun. Syst. 2008; 21:9871008
 

Summary: INTERNATIONAL JOURNAL OF COMMUNICATION SYSTEMS
Int. J. Commun. Syst. 2008; 21:9871008
Published online 13 March 2008 in Wiley InterScience (www.interscience.wiley.com). DOI: 10.1002/dac.932
A framework to determine the optimal weight parameter of RED
in next-generation Internet routers
Bing Zheng1 and Mohammed Atiquzzaman2,,
1Bookham Technology, San Jose, CA 94124, U.S.A.
2School of Computer Science, University of Oklahoma, Norman, OK 73019-6151, U.S.A.
SUMMARY
Active buffer management can improve the performance of Transmission Control Protocol/Internet
Protocol-based networks. Random early detection (RED), an active queue management scheme, has been
proposed by the Internet Engineering Task Force for next-generation Internet routers. RED uses a number
of parameters, such as buffer thresholds, a packet drop probability and a weight parameter. RED suffers
from low throughput and large delay/jitter and induces instability in networks. Previous attempts to
improve the performance of RED were based on modifying the thresholds and drop probabilities. In this
paper, we show that an optimal value of the weight parameter can improve the performance of RED,
and then develop a framework to determine the optimal value of the weight parameter. We show that the
optimal weight parameter obtained from our framework improves the performance of RED. Copyright q
2008 John Wiley & Sons, Ltd.
Received 9 October 2007; Revised 30 January 2008; Accepted 30 January 2008

  

Source: Atiquzzaman, Mohammed - School of Computer Science, University of Oklahoma

 

Collections: Computer Technologies and Information Sciences