Advanced Results CIRA Perfomance test

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Advanced Results
The Internet Performance Test provides advanced details based on the Network Diagnostic Test (NDT) that was just run.
The information below can be provided to your ISP or network administrator to help solve common networking problems.
Visit cira.ca/IPT/results-help if you would like to learn more about these result details.

NDT - Test Analysis
Client System Details
Client version: 3.7.2.A
OS data: Windows 10
The slowest link in the end-to-end path is a 45 Mbps T3/DS3 subnet
Information: Other network traffic is congesting the link
This connection is network limited 91.35% of the time
45 Mbps T3/DS3 link found.
Link set to Full Duplex mode
Information: throughput is limited by other network traffic.
Good network cable(s) found
Normal duplex operation found.
Web100 reports the Round trip time = 17.32ms
the Packet size = 1460bytes
6 packets retransmitted
61 duplicate acks received
66 SACK blocks received
The connection was idle 0.00 seconds (0.00% of the time)
Web100 reports TCP negotiated the optional Performance Settings to:
RFC 2018 Selective Acknowledgement:
ON
RFC 896 Nagle Algorithm:
ON
RFC 3168 Explicit Congestion Notification:
OFF
RFC 1323 Time Stamping:
OFF
RFC 1323 Window Scaling:
ON - Server=8, Client=8
The theoretical network limit is 88.55 Mbps
The NDT server has a 220.75 KByte buffer which limits the throughput to 199.16 Mbps
Your PC/Workstation has a 789.75 KByte buffer which limits the throughput to NaN Mbps
The network based flow control limits the throughput to 75.25 Mbps
Client Data reports link is T3,
Client Acks report link is T3,
Server Data reports link is Ethernet
Server Acks report link is T3,
WEB 100 - Detailed Test Results

AckPktsIn	8701
AckPktsOut	0
aspd	0.00000
avgrtt	17.32
bad_cable	0
bw	88.55
BytesRetrans	8760
c2sAck	4
c2sData	4
c2sRate	8848
ClientToServerSpeed	8.848
CongAvoid	7696
congestion	1
CongestionOverCount	0
CongestionSignals	2
CountRTT	8292
CurCwnd	170820
CurMSS	1460
CurRTO	222
CurRwinRcvd	208640
CurRwinSent	7040
CurSsthresh	32120
cwin	1.3033
CWND-Limited	-nan
CWNDpeaks	3
cwndtime	0.9135
DataBytesIn	570
DataBytesOut	56053378
DataPktsIn	1
DataPktsOut	37911
DSACKDups	0
DupAcksIn	61
DupAcksOut	0
Duration	10214390
ECNEnabled	0
FastRetran	2
half_duplex	0
Jitter	63
link	100
loss	0.000052755
MaxCwnd	170820
maxCWNDpeak	65700
MaxMSS	1460
MaxRTO	258
MaxRTT	69
MaxRwinRcvd	808704
MaxRwinSent	7040
MaxSsthresh	32120
minCWNDpeak	14600
MinMSS	1460
MinRTO	209
MinRTT	6
MinRwinRcvd	65536
MinRwinSent	5840
mismatch	0
NagleEnabled	1
order	0.0070
OtherReductions	6
PktsIn	8702
PktsOut	37911
PktsRetrans	6
RcvWinScale	7
rttsec	0.017319
rwin	6.1699
rwintime	0.0663
s2cAck	4
s2cData	3
s2cRate	43480.36749483029
SACKEnabled	3
SACKsRcvd	66
SampleRTT	22
SendStall	0
sendtime	0.0203
ServerToClientSpeed	43.48036749483029
SlowStart	33
SmoothedRTT	22
Sndbuf	452088
SndLimBytesCwnd	48006760
SndLimBytesRwin	4934320
SndLimBytesSender	3112298
SndLimTimeCwnd	9329532
SndLimTimeRwin	676892
SndLimTimeSender	206966
SndLimTransCwnd	147
SndLimTransRwin	26
SndLimTransSender	121
SndWinScale	8
spd	43.91
StartTimeUsec	61512
SubsequentTimeouts	0
SumRTT	143608
swin	3.4492
ThroughputValue	44208
Timeouts	0
timesec	10.00
TimestampsEnabled	0
TotalSentByte	55328768
UnsentDataAmount	213348
waitsec	0.00
WinScaleRcvd	8
WinScaleSent	7
X_Rcvbuf	87380
X_Sndbuf	452088