Evaluating the Eifel Algorithm for TCP in a GPRS network. Gurtov, A. & Ludwig, R. Proceedings of European Wireless 2002, Florence, Italy, February, 2002.
Paper bibtex @article{ Gurtov02,
author = {A. Gurtov and R. Ludwig},
title = {Evaluating the {Eifel} Algorithm for {TCP} in a {GPRS} network},
journal = {Proceedings of European Wireless 2002, Florence, Italy},
year = {2002},
month = {February},
annote = {Annika: The Eifel algorithm is evaluated with TCP Reno, NewReno, and SACK. Eifel detects and responds to spurious timeout events and spurious fast retransmits. By the use of timestamps an acknowledgment of an original segment can be distinguished from an acknowledgment of a retransmitted segment. Unnecessary performance degradation and unnecessary retransmissions are avoided. In GPRS spurious timeout events may occur due to delay spikes caused by cell reselection. Delays between a few seconds up to a few tens of seconds have been measured in a live network. Ns-2 is used because then it is possible to reproduce sequences of cell reselection and the TCP implementations in Ns-2 are flawless. Performance is measured as download time and goodput. Goodput is defined as the ratio of unique segments to the total number of segments transmitted, eg. a goodput of 0.97 implies that 3% of the data is retransmitted. For receiver window limited connections, Eifel reduces download time up to 12%, and goodput is increased up to 20%. Also for network limited connections Eifel increases goodput by almost 10%, but download time was increased for Eifel with TCP Reno. Eifel with NewReno or SACK performs better than Eifel with Reno.},
url = {Gurtov_Eifel_in_GPRS.pdf},
submitter = {Anna Brunstr̈{o}m},
bibdate = {Thursday, February 21, 2002 at 16:52:03 (CET)}
}
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