DocumentCode :
3206571
Title :
Effectiveness of loss labeling in improving TCP performance in wired/wireless networks
Author :
Barman, Dhiman ; Matta, Ibrahim
Author_Institution :
Dept. of Comput. Sci., Boston Univ., MA, USA
fYear :
2002
fDate :
12-15 Nov. 2002
Firstpage :
2
Lastpage :
11
Abstract :
The current congestion-oriented design of TCP hinders its ability to perform well in hybrid wireless/wired networks. We propose a new improvement on TCP NewReno (NewReno-FF) using a new loss labeling technique to discriminate wireless from congestion losses. The proposed technique is based on the estimation of average and variance of the round trip time using a filter, called flip flop filter, that is augmented with history information. We show the comparative performance of TCP NewReno, NewReno-FF and TCP Westwood through extensive simulations. We study the fundamental gains and limits using TCP NewReno with varying loss labeling accuracy (NewReno-LL) as a benchmark. Lastly our investigation opens up important research directions. First, there is a need for a finer grained classification of losses (even within congestion and wireless losses) for TCP in heterogeneous networks. Second, it is essential to develop an appropriate control strategy for recovery after the correct classification of a packet loss.
Keywords :
Internet; packet radio networks; parameter estimation; telecommunication congestion control; transport protocols; TCP NewReno-FF; TCP Westwood; TCP performance; congestion losses; heterogeneous networks; hybrid wireless/wired networks; loss labeling; packet loss classification; round trip time; wireless losses; Delay estimation; History; Information filtering; Information filters; Intelligent networks; Labeling; Loss measurement; Performance loss; Propagation losses; Wireless networks;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Network Protocols, 2002. Proceedings. 10th IEEE International Conference on
ISSN :
1092-1648
Print_ISBN :
0-7695-1856-7
Type :
conf
DOI :
10.1109/ICNP.2002.1181381
Filename :
1181381
Link To Document :
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