The Transmission Control Protocol (TCP) represents the most deployed transport protocol used in the Internet so far. This popularity motivates its presence in wireless networks, including ad hoc networks. These networks are very promising since they make i
Asintheprevioussimulations,weconsideredtheDAoptionawell.ThescenarioisalsothechaintopologyofFig.2with5and6hops.TheresultsareshowninFigs.5and6,whichincludeevaluationsfor1or10 ows,respectively.
Number of Retransmissions Retransmissions vs. Paket Size (1 flow) 80 70 60 50 40 30 20 10 0 0 200 400 600 800 1000 1200 1400 1600
Paket Size (bytes)NewReno Sack NewReno DASack DA
(a)5-hop
Number of Retransmissions Retransmissions vs. Paket Size (1 flow) 80 70 60 50 40 30 20 10 0 0 200 400 600 800 1000 1200 1400 1600
Paket Size (bytes)NewReno Sack NewReno DASack DA
(b)6-hop
Fig.5.Numberofretransmissionsfor1 ow
Forthescenariofacingonesingle ow,wecanseeinFig.5(a)andFig.5(b)thatthenumberofretransmissionsrisewiththeincreaseofthepacketsize.Furthermore,weobtainedthebestperformancesforboth avourswithDAoptionenabled.Ontheotherside,theresultsfortheevaluationswith10 owsexhibitedtheoppositeasillustratedinFigures6(a)and6(b).Thatis,thelargerpacketsizethelessretransmissions.