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Impact of cell discard strategies on TCP/IP in ATM UBR networks
Rosolen, Vincent; Bonaventure, Olivier; Leduc, Guy
1998In Performance Modelling and Evaluation of ATM Networks
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Keywords :
fairness; performance; TCP/IP; ATM; RED
Abstract :
[en] In ATM UBR networks supporting TCP traffic, optimal efficiency can only be envisaged if switches adopt a discard mechanism that operates at the packet level rather than the cell level. In this paper, we investigate the performance of the EPD, RED and FBA strategies by means of simulation, and give comparative results with respect to different environments and performance criteria. We show that implementing such a strategy in a LAN brings little added value, while the benefit is more obvious in a WAN access network with asymmetrical bandwidths. Specifically, the improvement not only concerns goodput but also fairness among competing TCP connections, and depends upon the Maximum Segment Size used by the sources.
Disciplines :
Computer science
Author, co-author :
Rosolen, Vincent;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Réseaux informatiques
Bonaventure, Olivier;  Alcatel-Bell
Leduc, Guy ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Réseaux informatiques
Language :
English
Title :
Impact of cell discard strategies on TCP/IP in ATM UBR networks
Publication date :
July 1998
Event name :
6th Workshop on Performance Modelling and Evaluation of ATM Networks (ATM'98)
Event place :
Ilkley, United Kingdom
Event date :
July 1998
Audience :
International
Main work title :
Performance Modelling and Evaluation of ATM Networks
Publisher :
Kluwer Academic Press, United States
Peer reviewed :
Peer reviewed
Available on ORBi :
since 16 December 2009

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