From: Giovanni.Giambiasi@nokia.com
Date: 11/25/03
Subject: RE: tcptrace TRAFFIC Module and Detailed Analysis - Dupacks Date: Tue, 25 Nov 2003 09:50:13 +0100 Message-ID: <E9110ECF9EE9434C8A675687DAFD2FF2CCC1C3@miebe001.europe.nokia.com> From: <Giovanni.Giambiasi@nokia.com>
Thanks Mani!
I will run the analysis with the new 6.6.0 version and I will let you
know about the results.
Br,
giovanni
> -----Original Message-----
> From: ext Manikantan Ramadas [mailto:mramadas@masaka.cs.ohiou.edu]
> Sent: Monday, November 24, 2003 10:32 PM
> To: Giambiasi Giovanni (NET/Milan)
> Cc: tcptrace@tcptrace.org
> Subject: Re: tcptrace TRAFFIC Module and Detailed Analysis - Dupacks
>
>
> Hi Giovanni,
>
> The semantics of detecting triple duplicate acks was fixed to resemble
> 4.4 BSD Lite TCP stack with version 6.4.2. That still doesn't
> explain the
> discrepancies you see between the long output and traffic
> module output,
> however
> .
> Could you try running the 6.6.0 windows port of tcptrace to see if the
> behavior persists? It should work on WinXP and probably on
> Win2K too, I
> am told. (Incidentally we have a new 6.6.0 port for windows
> which should
> work now.)
>
> If you still observe the behavior in the newer release,
> could you give me a small dumpfile that I can look at to see
> whats going on?
>
> Thanks,
> Mani.
>
> On Fri, Nov 21, 2003 at 06:08:15PM +0100,
> Giovanni.Giambiasi@nokia.com wrote:
> > Hi,
> >
> > I am testing performance of TCP over wireless. At the
> moment I am using Tcptrace version 6.2.0 for Windows.
> > I have a couple of questions about the information
> regarding the amount of duplicated acks.
> > If I analyse a dump file with the detailed analysis options
> (tcptrace -lr <dumpfile>) I can see the amount of dupacks for
> each TCP connection.
> > If I use the TRAFFIC module on the same dump file (tcptrace
> -xtraffic <dumpfile>) I obtain rather different results.
> > I attach two files: as you can see in the traffic_stats.dat
> files tcptrace tells me that 1 dupack was seen in the
> dumpfile, while analysing the detailed statistics there are
> much more dupacks than in the previous file).
> >
> > Could someone explain this behaviour?
> >
> > Thank you in advance.
> >
> > BR,
> >
> > Giovanni
> >
>
>
> Content-Description: detailed_analysis.txt
> > 1 arg remaining, starting with 'anoukis_dack_6'
> > Ostermann's tcptrace -- version 6.2.0 -- Fri Jul 26, 2002
> >
> > 339 packets seen, 256 TCP packets traced
> > elapsed wallclock time: 0:00:18.144999, 18 pkts/sec analyzed
> > trace file elapsed time: 0:00:50.284961
> > TCP connection info:
> > 6 TCP connections traced:
> > TCP connection 1:
> > host a: 10.200.192.104:1861
> > host b: linux.sitadelle.com:80
> > complete conn: no (SYNs: 2) (FINs: 0)
> > first packet: Wed Nov 19 18:36:06.848225 2003
> > last packet: Wed Nov 19 18:36:15.404053 2003
> > elapsed time: 0:00:08.555828
> > total packets: 32
> > filename: anoukis_dack_6
> > a->b: b->a:
> > total packets: 14 total packets:
> 18
> > ack pkts sent: 13 ack pkts sent:
> 18
> > pure acks sent: 11 pure acks sent:
> 2
> > sack pkts sent: 0 sack pkts sent:
> 0
> > max sack blks/ack: 0 max sack
> blks/ack: 0
> > unique bytes sent: 538 unique bytes
> sent: 5192
> > actual data pkts: 2 actual data
> pkts: 15
> > actual data bytes: 538 actual data
> bytes: 5192
> > rexmt data pkts: 0 rexmt data
> pkts: 0
> > rexmt data bytes: 0 rexmt data
> bytes: 0
> > zwnd probe pkts: 0 zwnd probe
> pkts: 0
> > zwnd probe bytes: 0 zwnd probe
> bytes: 0
> > outoforder pkts: 0 outoforder
> pkts: 0
> > pushed data pkts: 2 pushed data
> pkts: 14
> > SYN/FIN pkts sent: 1/0 SYN/FIN pkts
> sent: 1/0
> > req sack: Y req sack:
> N
> > sacks sent: 0 sacks sent:
> 0
> > urgent data pkts: 0 pkts urgent data
> pkts: 0 pkts
> > urgent data bytes: 0 bytes urgent data
> bytes: 0 bytes
> > mss requested: 1460 bytes mss requested:
> 1460 bytes
> > max segm size: 305 bytes max segm size:
> 1460 bytes
> > min segm size: 233 bytes min segm size:
> 17 bytes
> > avg segm size: 268 bytes avg segm size:
> 346 bytes
> > max win adv: 17520 bytes max win adv:
> 33580 bytes
> > min win adv: 16217 bytes min win adv:
> 16384 bytes
> > zero win adv: 0 times zero win adv:
> 0 times
> > avg win adv: 16951 bytes avg win adv:
> 32123 bytes
> > initial window: 233 bytes initial window:
> 413 bytes
> > initial window: 1 pkts initial window:
> 1 pkts
> > ttl stream length: NA ttl stream
> length: NA
> > missed data: NA missed data:
> NA
> > truncated data: 0 bytes truncated data:
> 0 bytes
> > truncated packets: 0 pkts truncated
> packets: 0 pkts
> > data xmit time: 4.184 secs data xmit time:
> 5.561 secs
> > idletime max: 38367.3 ms idletime max:
> 38367.9 ms
> > throughput: 63 Bps throughput:
> 607 Bps
> >
> > RTT samples: 3 RTT samples:
> 12
> > RTT min: 878.8 ms RTT min:
> 0.5 ms
> > RTT max: 1306.1 ms RTT max:
> 197.7 ms
> > RTT avg: 1119.9 ms RTT avg:
> 80.1 ms
> > RTT stdev: 218.9 ms RTT stdev:
> 80.7 ms
> >
> > RTT from 3WHS: 1174.9 ms RTT from 3WHS:
> 0.5 ms
> >
> > RTT full_sz smpls: 1 RTT full_sz
> smpls: 1
> > RTT full_sz min: 1306.1 ms RTT full_sz
> min: 185.2 ms
> > RTT full_sz max: 1306.1 ms RTT full_sz
> max: 185.2 ms
> > RTT full_sz avg: 1306.0 ms RTT full_sz
> avg: 185.2 ms
> > RTT full_sz stdev: 0.0 ms RTT full_sz
> stdev: 0.0 ms
> >
> > post-loss acks: 0 post-loss acks:
> 0
> > segs cum acked: 0 segs cum acked:
> 4
> > duplicate acks: 15 duplicate acks:
> 1
> > triple dupacks: 0 triple dupacks:
> 0
> > max # retrans: 0 max # retrans:
> 0
> > min retr time: 0.0 ms min retr time:
> 0.0 ms
> > max retr time: 0.0 ms max retr time:
> 0.0 ms
> > avg retr time: 0.0 ms avg retr time:
> 0.0 ms
> > sdv retr time: 0.0 ms sdv retr time:
> 0.0 ms
> > ================================
> > TCP connection 2:
> > host c: 10.200.192.104:1862
> > host d: 15.15.15.3:80
> > complete conn: no (SYNs: 2) (FINs: 0)
> > first packet: Wed Nov 19 18:36:10.091399 2003
> > last packet: Wed Nov 19 18:36:14.626246 2003
> > elapsed time: 0:00:04.534847
> > total packets: 17
> > filename: anoukis_dack_6
> > c->d: d->c:
> > total packets: 9 total packets:
> 8
> > ack pkts sent: 8 ack pkts sent:
> 8
> > pure acks sent: 7 pure acks sent:
> 1
> > sack pkts sent: 0 sack pkts sent:
> 0
> > max sack blks/ack: 0 max sack
> blks/ack: 0
> > unique bytes sent: 319 unique bytes
> sent: 5671
> > actual data pkts: 1 actual data
> pkts: 6
> > actual data bytes: 319 actual data
> bytes: 5671
> > rexmt data pkts: 0 rexmt data
> pkts: 0
> > rexmt data bytes: 0 rexmt data
> bytes: 0
> > zwnd probe pkts: 0 zwnd probe
> pkts: 0
> > zwnd probe bytes: 0 zwnd probe
> bytes: 0
> > outoforder pkts: 0 outoforder
> pkts: 0
> > pushed data pkts: 1 pushed data
> pkts: 3
> > SYN/FIN pkts sent: 1/0 SYN/FIN pkts
> sent: 1/0
> > req sack: Y req sack:
> N
> > sacks sent: 0 sacks sent:
> 0
> > urgent data pkts: 0 pkts urgent data
> pkts: 0 pkts
> > urgent data bytes: 0 bytes urgent data
> bytes: 0 bytes
> > mss requested: 1460 bytes mss requested:
> 1460 bytes
> > max segm size: 319 bytes max segm size:
> 1460 bytes
> > min segm size: 319 bytes min segm size:
> 266 bytes
> > avg segm size: 318 bytes avg segm size:
> 945 bytes
> > max win adv: 17520 bytes max win adv:
> 33580 bytes
> > min win adv: 16120 bytes min win adv:
> 16384 bytes
> > zero win adv: 0 times zero win adv:
> 0 times
> > avg win adv: 17059 bytes avg win adv:
> 30292 bytes
> > initial window: 319 bytes initial window:
> 266 bytes
> > initial window: 1 pkts initial window:
> 1 pkts
> > ttl stream length: NA ttl stream
> length: NA
> > missed data: NA missed data:
> NA
> > truncated data: 0 bytes truncated data:
> 0 bytes
> > truncated packets: 0 pkts truncated
> packets: 0 pkts
> > data xmit time: 0.000 secs data xmit time:
> 2.225 secs
> > idletime max: 39145.1 ms idletime max:
> 39145.7 ms
> > throughput: 70 Bps throughput:
> 1251 Bps
> >
> > RTT samples: 2 RTT samples:
> 7
> > RTT min: 546.9 ms RTT min:
> 0.5 ms
> > RTT max: 1068.7 ms RTT max:
> 178.7 ms
> > RTT avg: 807.7 ms RTT avg:
> 97.7 ms
> > RTT stdev: 0.0 ms RTT stdev:
> 70.3 ms
> >
> > RTT from 3WHS: 546.9 ms RTT from 3WHS:
> 0.5 ms
> >
> > RTT full_sz smpls: 1 RTT full_sz
> smpls: 1
> > RTT full_sz min: 1068.7 ms RTT full_sz
> min: 108.7 ms
> > RTT full_sz max: 1068.7 ms RTT full_sz
> max: 108.7 ms
> > RTT full_sz avg: 1068.5 ms RTT full_sz
> avg: 108.7 ms
> > RTT full_sz stdev: 0.0 ms RTT full_sz
> stdev: 0.0 ms
> >
> > post-loss acks: 0 post-loss acks:
> 0
> > segs cum acked: 0 segs cum acked:
> 0
> > duplicate acks: 6 duplicate acks:
> 1
> > triple dupacks: 0 triple dupacks:
> 0
> > max # retrans: 0 max # retrans:
> 0
> > min retr time: 0.0 ms min retr time:
> 0.0 ms
> > max retr time: 0.0 ms max retr time:
> 0.0 ms
> > avg retr time: 0.0 ms avg retr time:
> 0.0 ms
> > sdv retr time: 0.0 ms sdv retr time:
> 0.0 ms
> > ================================
> > TCP connection 3:
> > host e: 10.200.192.104:1863
> > host f: 15.15.15.5:80
> > complete conn: no (SYNs: 2) (FINs: 0)
> > first packet: Wed Nov 19 18:36:10.178131 2003
> > last packet: Wed Nov 19 18:36:15.784073 2003
> > elapsed time: 0:00:05.605941
> > total packets: 9
> > filename: anoukis_dack_6
> > e->f: f->e:
> > total packets: 5 total packets:
> 4
> > ack pkts sent: 4 ack pkts sent:
> 4
> > pure acks sent: 3 pure acks sent:
> 1
> > sack pkts sent: 0 sack pkts sent:
> 0
> > max sack blks/ack: 0 max sack
> blks/ack: 0
> > unique bytes sent: 320 unique bytes
> sent: 2250
> > actual data pkts: 1 actual data
> pkts: 2
> > actual data bytes: 320 actual data
> bytes: 2250
> > rexmt data pkts: 0 rexmt data
> pkts: 0
> > rexmt data bytes: 0 rexmt data
> bytes: 0
> > zwnd probe pkts: 0 zwnd probe
> pkts: 0
> > zwnd probe bytes: 0 zwnd probe
> bytes: 0
> > outoforder pkts: 0 outoforder
> pkts: 0
> > pushed data pkts: 1 pushed data
> pkts: 2
> > SYN/FIN pkts sent: 1/0 SYN/FIN pkts
> sent: 1/0
> > req sack: Y req sack:
> N
> > sacks sent: 0 sacks sent:
> 0
> > urgent data pkts: 0 pkts urgent data
> pkts: 0 pkts
> > urgent data bytes: 0 bytes urgent data
> bytes: 0 bytes
> > mss requested: 1460 bytes mss requested:
> 1460 bytes
> > max segm size: 320 bytes max segm size:
> 1400 bytes
> > min segm size: 320 bytes min segm size:
> 850 bytes
> > avg segm size: 319 bytes avg segm size:
> 1124 bytes
> > max win adv: 17520 bytes max win adv:
> 33580 bytes
> > min win adv: 16120 bytes min win adv:
> 16384 bytes
> > zero win adv: 0 times zero win adv:
> 0 times
> > avg win adv: 17012 bytes avg win adv:
> 27005 bytes
> > initial window: 320 bytes initial window:
> 1400 bytes
> > initial window: 1 pkts initial window:
> 1 pkts
> > ttl stream length: NA ttl stream
> length: NA
> > missed data: NA missed data:
> NA
> > truncated data: 0 bytes truncated data:
> 0 bytes
> > truncated packets: 0 pkts truncated
> packets: 0 pkts
> > data xmit time: 0.000 secs data xmit time:
> 2.355 secs
> > idletime max: 37987.3 ms idletime max:
> 38145.1 ms
> > throughput: 57 Bps throughput:
> 401 Bps
> >
> > RTT samples: 2 RTT samples:
> 3
> > RTT min: 590.1 ms RTT min:
> 0.5 ms
> > RTT max: 1390.5 ms RTT max:
> 157.8 ms
> > RTT avg: 990.2 ms RTT avg:
> 91.6 ms
> > RTT stdev: 0.0 ms RTT stdev:
> 81.5 ms
> >
> > RTT from 3WHS: 590.1 ms RTT from 3WHS:
> 0.5 ms
> >
> > RTT full_sz smpls: 1 RTT full_sz
> smpls: 1
> > RTT full_sz min: 1390.5 ms RTT full_sz
> min: 116.4 ms
> > RTT full_sz max: 1390.5 ms RTT full_sz
> max: 116.4 ms
> > RTT full_sz avg: 1390.4 ms RTT full_sz
> avg: 116.4 ms
> > RTT full_sz stdev: 0.0 ms RTT full_sz
> stdev: 0.0 ms
> >
> > post-loss acks: 0 post-loss acks:
> 0
> > segs cum acked: 0 segs cum acked:
> 0
> > duplicate acks: 2 duplicate acks:
> 1
> > triple dupacks: 0 triple dupacks:
> 0
> > max # retrans: 0 max # retrans:
> 0
> > min retr time: 0.0 ms min retr time:
> 0.0 ms
> > max retr time: 0.0 ms max retr time:
> 0.0 ms
> > avg retr time: 0.0 ms avg retr time:
> 0.0 ms
> > sdv retr time: 0.0 ms sdv retr time:
> 0.0 ms
> > ================================
> > TCP connection 4:
> > host g: 10.200.192.104:1864
> > host h: 15.15.15.5:80
> > complete conn: no (SYNs: 2) (FINs: 0)
> > first packet: Wed Nov 19 18:36:12.153581 2003
> > last packet: Wed Nov 19 18:36:20.130226 2003
> > elapsed time: 0:00:07.976645
> > total packets: 10
> > filename: anoukis_dack_6
> > g->h: h->g:
> > total packets: 5 total packets:
> 5
> > ack pkts sent: 4 ack pkts sent:
> 5
> > pure acks sent: 3 pure acks sent:
> 1
> > sack pkts sent: 0 sack pkts sent:
> 0
> > max sack blks/ack: 0 max sack
> blks/ack: 0
> > unique bytes sent: 291 unique bytes
> sent: 3025
> > actual data pkts: 1 actual data
> pkts: 3
> > actual data bytes: 291 actual data
> bytes: 3025
> > rexmt data pkts: 0 rexmt data
> pkts: 0
> > rexmt data bytes: 0 rexmt data
> bytes: 0
> > zwnd probe pkts: 0 zwnd probe
> pkts: 0
> > zwnd probe bytes: 0 zwnd probe
> bytes: 0
> > outoforder pkts: 0 outoforder
> pkts: 0
> > pushed data pkts: 1 pushed data
> pkts: 2
> > SYN/FIN pkts sent: 1/0 SYN/FIN pkts
> sent: 1/0
> > req sack: Y req sack:
> N
> > sacks sent: 0 sacks sent:
> 0
> > urgent data pkts: 0 pkts urgent data
> pkts: 0 pkts
> > urgent data bytes: 0 bytes urgent data
> bytes: 0 bytes
> > mss requested: 1460 bytes mss requested:
> 1460 bytes
> > max segm size: 291 bytes max segm size:
> 1440 bytes
> > min segm size: 291 bytes min segm size:
> 185 bytes
> > avg segm size: 290 bytes avg segm size:
> 1007 bytes
> > max win adv: 17520 bytes max win adv:
> 33580 bytes
> > min win adv: 16120 bytes min win adv:
> 16384 bytes
> > zero win adv: 0 times zero win adv:
> 0 times
> > avg win adv: 17012 bytes avg win adv:
> 28326 bytes
> > initial window: 291 bytes initial window:
> 1400 bytes
> > initial window: 1 pkts initial window:
> 1 pkts
> > ttl stream length: NA ttl stream
> length: NA
> > missed data: NA missed data:
> NA
> > truncated data: 0 bytes truncated data:
> 0 bytes
> > truncated packets: 0 pkts truncated
> packets: 0 pkts
> > data xmit time: 0.000 secs data xmit time:
> 3.333 secs
> > idletime max: 33641.2 ms idletime max:
> 33641.5 ms
> > throughput: 36 Bps throughput:
> 379 Bps
> >
> > RTT samples: 2 RTT samples:
> 3
> > RTT min: 1145.2 ms RTT min:
> 0.3 ms
> > RTT max: 2130.1 ms RTT max:
> 189.4 ms
> > RTT avg: 1637.6 ms RTT avg:
> 63.4 ms
> > RTT stdev: 0.0 ms RTT stdev:
> 109.1 ms
> >
> > RTT from 3WHS: 1145.2 ms RTT from 3WHS:
> 0.5 ms
> >
> > RTT full_sz smpls: 1 RTT full_sz
> smpls: 1
> > RTT full_sz min: 2130.1 ms RTT full_sz
> min: 189.4 ms
> > RTT full_sz max: 2130.1 ms RTT full_sz
> max: 189.4 ms
> > RTT full_sz avg: 2129.8 ms RTT full_sz
> avg: 189.4 ms
> > RTT full_sz stdev: 0.0 ms RTT full_sz
> stdev: 0.0 ms
> >
> > post-loss acks: 0 post-loss acks:
> 0
> > segs cum acked: 0 segs cum acked:
> 1
> > duplicate acks: 3 duplicate acks:
> 1
> > triple dupacks: 0 triple dupacks:
> 0
> > max # retrans: 0 max # retrans:
> 0
> > min retr time: 0.0 ms min retr time:
> 0.0 ms
> > max retr time: 0.0 ms max retr time:
> 0.0 ms
> > avg retr time: 0.0 ms avg retr time:
> 0.0 ms
> > sdv retr time: 0.0 ms sdv retr time:
> 0.0 ms
> > ================================
> > TCP connection 5:
> > host i: 10.200.192.104:1865
> > host j: 15.15.15.2:80
> > complete conn: no (SYNs: 2) (FINs: 0)
> > first packet: Wed Nov 19 18:36:12.178244 2003
> > last packet: Wed Nov 19 18:36:47.830169 2003
> > elapsed time: 0:00:35.651924
> > total packets: 123
> > filename: anoukis_dack_6
> > i->j: j->i:
> > total packets: 61 total packets:
> 62
> > ack pkts sent: 60 ack pkts sent:
> 62
> > pure acks sent: 58 pure acks sent:
> 2
> > sack pkts sent: 0 sack pkts sent:
> 0
> > max sack blks/ack: 0 max sack
> blks/ack: 0
> > unique bytes sent: 637 unique bytes
> sent: 68331
> > actual data pkts: 2 actual data
> pkts: 59
> > actual data bytes: 637 actual data
> bytes: 81129
> > rexmt data pkts: 0 rexmt data
> pkts: 9
> > rexmt data bytes: 0 rexmt data
> bytes: 12798
> > zwnd probe pkts: 0 zwnd probe
> pkts: 0
> > zwnd probe bytes: 0 zwnd probe
> bytes: 0
> > outoforder pkts: 0 outoforder
> pkts: 0
> > pushed data pkts: 2 pushed data
> pkts: 9
> > SYN/FIN pkts sent: 1/0 SYN/FIN pkts
> sent: 1/0
> > req sack: Y req sack:
> N
> > sacks sent: 0 sacks sent:
> 0
> > urgent data pkts: 0 pkts urgent data
> pkts: 0 pkts
> > urgent data bytes: 0 bytes urgent data
> bytes: 0 bytes
> > mss requested: 1460 bytes mss requested:
> 1460 bytes
> > max segm size: 319 bytes max segm size:
> 1460 bytes
> > min segm size: 318 bytes min segm size:
> 22 bytes
> > avg segm size: 318 bytes avg segm size:
> 1375 bytes
> > max win adv: 17520 bytes max win adv:
> 33580 bytes
> > min win adv: 16098 bytes min win adv:
> 16384 bytes
> > zero win adv: 0 times zero win adv:
> 0 times
> > avg win adv: 17196 bytes avg win adv:
> 33155 bytes
> > initial window: 318 bytes initial window:
> 1400 bytes
> > initial window: 1 pkts initial window:
> 1 pkts
> > ttl stream length: NA ttl stream
> length: NA
> > missed data: NA missed data:
> NA
> > truncated data: 0 bytes truncated data:
> 0 bytes
> > truncated packets: 0 pkts truncated
> packets: 0 pkts
> > data xmit time: 18.124 secs data xmit time:
> 31.214 secs
> > idletime max: 5941.2 ms idletime max:
> 6129.3 ms
> > throughput: 18 Bps throughput:
> 1917 Bps
> >
> > RTT samples: 3 RTT samples:
> 49
> > RTT min: 1135.2 ms RTT min:
> 0.4 ms
> > RTT max: 4417.9 ms RTT max:
> 199.4 ms
> > RTT avg: 2557.8 ms RTT avg:
> 109.1 ms
> > RTT stdev: 1684.5 ms RTT stdev:
> 73.1 ms
> >
> > RTT from 3WHS: 1135.2 ms RTT from 3WHS:
> 14.8 ms
> >
> > RTT full_sz smpls: 1 RTT full_sz
> smpls: 25
> > RTT full_sz min: 4417.9 ms RTT full_sz
> min: 0.4 ms
> > RTT full_sz max: 4417.9 ms RTT full_sz
> max: 191.5 ms
> > RTT full_sz avg: 4417.4 ms RTT full_sz
> avg: 103.4 ms
> > RTT full_sz stdev: 0.0 ms RTT full_sz
> stdev: 75.7 ms
> >
> > post-loss acks: 0 post-loss acks:
> 0
> > segs cum acked: 0 segs cum acked:
> 2
> > duplicate acks: 59 duplicate acks:
> 11
> > triple dupacks: 0 triple dupacks:
> 1
> > max # retrans: 0 max # retrans:
> 0
> > min retr time: 0.0 ms min retr time:
> 0.0 ms
> > max retr time: 0.0 ms max retr time:
> 0.0 ms
> > avg retr time: 0.0 ms avg retr time:
> 0.0 ms
> > sdv retr time: 0.0 ms sdv retr time:
> 0.0 ms
> > ================================
> > TCP connection 6:
> > host k: 10.200.192.104:1866
> > host l: 15.15.15.2:80
> > complete conn: no (SYNs: 2) (FINs: 0)
> > first packet: Wed Nov 19 18:36:12.197875 2003
> > last packet: Wed Nov 19 18:36:36.213405 2003
> > elapsed time: 0:00:24.015529
> > total packets: 65
> > filename: anoukis_dack_6
> > k->l: l->k:
> > total packets: 33 total packets:
> 32
> > ack pkts sent: 32 ack pkts sent:
> 32
> > pure acks sent: 31 pure acks sent:
> 1
> > sack pkts sent: 0 sack pkts sent:
> 0
> > max sack blks/ack: 0 max sack
> blks/ack: 0
> > unique bytes sent: 321 unique bytes
> sent: 39281
> > actual data pkts: 1 actual data
> pkts: 30
> > actual data bytes: 321 actual data
> bytes: 39281
> > rexmt data pkts: 0 rexmt data
> pkts: 0
> > rexmt data bytes: 0 rexmt data
> bytes: 0
> > zwnd probe pkts: 0 zwnd probe
> pkts: 0
> > zwnd probe bytes: 0 zwnd probe
> bytes: 0
> > outoforder pkts: 0 outoforder
> pkts: 0
> > pushed data pkts: 1 pushed data
> pkts: 3
> > SYN/FIN pkts sent: 1/0 SYN/FIN pkts
> sent: 1/0
> > req sack: Y req sack:
> N
> > sacks sent: 0 sacks sent:
> 0
> > urgent data pkts: 0 pkts urgent data
> pkts: 0 pkts
> > urgent data bytes: 0 bytes urgent data
> bytes: 0 bytes
> > mss requested: 1460 bytes mss requested:
> 1460 bytes
> > max segm size: 321 bytes max segm size:
> 1460 bytes
> > min segm size: 321 bytes min segm size:
> 266 bytes
> > avg segm size: 320 bytes avg segm size:
> 1309 bytes
> > max win adv: 17520 bytes max win adv:
> 33580 bytes
> > min win adv: 16098 bytes min win adv:
> 16384 bytes
> > zero win adv: 0 times zero win adv:
> 0 times
> > avg win adv: 17080 bytes avg win adv:
> 32758 bytes
> > initial window: 321 bytes initial window:
> 266 bytes
> > initial window: 1 pkts initial window:
> 1 pkts
> > ttl stream length: NA ttl stream
> length: NA
> > missed data: NA missed data:
> NA
> > truncated data: 0 bytes truncated data:
> 0 bytes
> > truncated packets: 0 pkts truncated
> packets: 0 pkts
> > data xmit time: 0.000 secs data xmit time:
> 19.260 secs
> > idletime max: 17558.0 ms idletime max:
> 17694.6 ms
> > throughput: 13 Bps throughput:
> 1636 Bps
> >
> > RTT samples: 2 RTT samples:
> 31
> > RTT min: 1130.5 ms RTT min:
> 0.5 ms
> > RTT max: 2110.6 ms RTT max:
> 199.9 ms
> > RTT avg: 1620.5 ms RTT avg:
> 101.9 ms
> > RTT stdev: 0.0 ms RTT stdev:
> 68.1 ms
> >
> > RTT from 3WHS: 1130.5 ms RTT from 3WHS:
> 29.8 ms
> >
> > RTT full_sz smpls: 1 RTT full_sz
> smpls: 12
> > RTT full_sz min: 2110.6 ms RTT full_sz
> min: 0.6 ms
> > RTT full_sz max: 2110.6 ms RTT full_sz
> max: 199.9 ms
> > RTT full_sz avg: 2110.4 ms RTT full_sz
> avg: 116.1 ms
> > RTT full_sz stdev: 0.0 ms RTT full_sz
> stdev: 61.4 ms
> >
> > post-loss acks: 0 post-loss acks:
> 0
> > segs cum acked: 0 segs cum acked:
> 0
> > duplicate acks: 30 duplicate acks:
> 1
> > triple dupacks: 0 triple dupacks:
> 0
> > max # retrans: 0 max # retrans:
> 0
> > min retr time: 0.0 ms min retr time:
> 0.0 ms
> > max retr time: 0.0 ms max retr time:
> 0.0 ms
> > avg retr time: 0.0 ms avg retr time:
> 0.0 ms
> > sdv retr time: 0.0 ms sdv retr time:
> 0.0 ms
>
>
> --
> "Happiness is when what you think, what you say, and what you do
> are in harmony." - Mahatma Gandhi
> ____________________________________________________________________
>
> * Manikantan Ramadas * IRG, OU * http://irg.cs.ohiou.edu/~mramadas *
> ____________________________________________________________________
>
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