/usr/share/doc/nam/examples/iecdemos/tcp-tahoe.tcl is in nam-examples 1.15-4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | # slow start mechanism with some features
# such as labeling, annotation, nam-graph, and window size monitoring
set ofile "tcp-tahoe"
set tcptype "Agent/TCP"
Agent/TCP set window_ 200
set L1rate "10Mb"
set L1del "5ms"
set L1type "DropTail"
set L2rate "1.5Mb"
set L2del "40ms"
set L2type "DropTail"
set L2qlim 10
set ftpstart 0.001
set cbrstart 0.002
source tcp-common.tcl
$ns at 0.659632 "$ns trace-annotate \"0.659632 Slow-start: cwnd:(30 -> 1), ssth:15\""
$ns at 1.344965 "$ns trace-annotate \"1.344965 CA: cwnd: 15\""
$ns run
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