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|Title: ||On the combined effects of Bit Error Rate and delay-distribution tail on TCP performance|
|Authors: ||Hernandez, Jose-Alberto|
Phillips, Iain W.
|Keywords: ||TCP retransmission timeout|
high BER environments
Weibull probability distribution
|Issue Date: ||2005|
|Citation: ||HERNANDEZ, J.-A. and PHILLIPS, I.W., 2005. On the combined effects of Bit Error Rate and delay-distribution tail on TCP performance. IN: Proceedings of the 1st Internet Technologies and Applications, Wrexham, September 2005|
|Abstract: ||The original design of the TCP retransmission timeout was implemented ignoring the recent
measurement studies on the dynamics and features of network traffic and delay. Such studies have
reported the highly variable characteristics of network delay, considered to be heavy-tailed distributed.
Accordingly, depending on the heavy characteristics of the tail of the delay distribution, the actual
implementation of TCP's retransmission timeout might be too conservative, or rather insufficient.
This work aims to assess the optimal design of the retransmission timeout when heavy-tailed delay
profiles are present. In our experiments, we have considered the case of low-bit error rate scenarios
typical from wired networks as well as the high bit-error rates, typical from wireless networks. We show
that the current implementation of the retransmission timeout is in broad terms very conservative, except
in cases with extremely heavy tails.|
|Description: ||This is a conference paper.|
|Appears in Collections:||Conference Papers (Computer Science)|
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