[net-perf] Performance test results

[Mark Boolootian]

> Let's start posting the full output of bwctl so we can recreate what
> others have done.  I just ran the tests below.  Arguments to bwctl 
> (aside from hostnames and credentials) were "-w 2m -t 10 -i 2 -x -L 240"

I have yet to figure out why bwctl.ucsc.edu is producing such pathetic
results, but it appears to be something local to the machine.  It's
running FreeBSD 5.4-STABLE.

I ran bwctl on nitro.ucsc.edu and saw much better results.   I'm
not running bwctld on this box, as it is our NDT server.  Summary
of the runs follows.  The UCLA connection used an MSS of 8140.  The
UCI connection used 1448 (Mike I - can you run jumbo frames to
iperf-uci?).


UCLA -> UCSC: 952 Mbit/sec
UCSC -> UCLA: 952 Mbit/sec

UCI -> UCSC: 654 Mbit/sec       
UCSC -> UCI: 655 Mbit/sec



-----------------------------------------------------------------------------


RECEIVER START
3327674305.149403: iperf -B 128.114.1.5 -P 1 -s -f b -m -p 5001 -w 2097152 -t 10 -i 2
------------------------------------------------------------
Server listening on TCP port 5001
Binding to local address 128.114.1.5
TCP window size: 4194304 Byte (WARNING: requested 2097152 Byte)
------------------------------------------------------------
[ 14] local 128.114.1.5 port 5001 connected with 169.232.34.50 port 5001
[ ID] Interval       Transfer     Bandwidth
[ 14]  0.0- 2.0 sec  224510372 Bytes  898041488 bits/sec
[ 14]  2.0- 4.0 sec  246636412 Bytes  986545648 bits/sec
[ 14]  4.0- 6.0 sec  246577976 Bytes  986311904 bits/sec
[ 14]  6.0- 8.0 sec  236449184 Bytes  945796736 bits/sec
[ 14]  8.0-10.0 sec  236414232 Bytes  945656928 bits/sec
[ 14]  0.0-10.0 sec  1190846464 Bytes  952471437 bits/sec
[ 14] MSS size 8140 bytes (MTU 8180 bytes, unknown interface)
[ 14] Read lengths occurring in more than 5% of reads:
[ 14]  8140 bytes read 143706 times (98.1%)
RECEIVER END
SENDER START
3327674306.641311: /usr/local/bin/iperf -c 128.114.1.5 -B 169.232.34.50 -f b -m -p 5001 -w 2097152 -t 10 -i 2
------------------------------------------------------------
Client connecting to 128.114.1.5, TCP port 5001
Binding to local address 169.232.34.50
TCP window size: 4194304 Byte (WARNING: requested 2097152 Byte)
------------------------------------------------------------
[  7] local 169.232.34.50 port 5001 connected with 128.114.1.5 port 5001
[  7]  0.0- 2.0 sec  225247232 Bytes  900988928 bits/sec
[  7]  2.0- 4.0 sec  246251520 Bytes  985006080 bits/sec
[  7]  4.0- 6.0 sec  246079488 Bytes  984317952 bits/sec
[  7]  6.0- 8.0 sec  240582656 Bytes  962330624 bits/sec
[  7]  0.0-10.0 sec  1190846464 Bytes  952674218 bits/sec
[  7] MSS size 8140 bytes (MTU 8180 bytes, unknown interface)
SENDER END



RECEIVER START
3327674719.157818: iperf -B 128.114.1.5 -P 1 -s -f b -m -p 5001 -w 2097152 -t 10 -i 2
------------------------------------------------------------
Server listening on TCP port 5001
Binding to local address 128.114.1.5
TCP window size: 4194304 Byte (WARNING: requested 2097152 Byte)
------------------------------------------------------------
[ 14] local 128.114.1.5 port 5001 connected with 128.195.120.5 port 5001
[ ID] Interval       Transfer     Bandwidth
[ 14]  0.0- 2.0 sec  110856072 Bytes  443424288 bits/sec
[ 14]  2.0- 4.0 sec  80453776 Bytes  321815104 bits/sec
[ 14]  4.0- 6.0 sec  227450264 Bytes  909801056 bits/sec
[ 14]  6.0- 8.0 sec  203654304 Bytes  814617216 bits/sec
[ 14]  8.0-10.0 sec  195999376 Bytes  783997504 bits/sec
[ 14]  0.0-10.0 sec  818929664 Bytes  654855071 bits/sec
[ 14] MSS size 1448 bytes (MTU 1500 bytes, ethernet)
[ 14] Read lengths occurring in more than 5% of reads:
[ 14]  1448 bytes read 549410 times (99.3%)
RECEIVER END
SENDER START
3327674720.439222: /usr/local/bin/iperf -c 128.114.1.5 -B 128.195.120.5 -f b -m -p 5001 -w 2097152 -t 10 -i 2
------------------------------------------------------------
Client connecting to 128.114.1.5, TCP port 5001
Binding to local address 128.195.120.5
TCP window size: 4194304 Byte (WARNING: requested 2097152 Byte)
------------------------------------------------------------
[  7] local 128.195.120.5 port 5001 connected with 128.114.1.5 port 5001
[  7]  0.0- 2.0 sec  112689152 Bytes  450756608 bits/sec
[  7]  2.0- 4.0 sec  79953920 Bytes  319815680 bits/sec
[  7]  4.0- 6.0 sec  226312192 Bytes  905248768 bits/sec
[  7]  6.0- 8.0 sec  203784192 Bytes  815136768 bits/sec
[  7]  8.0-10.0 sec  196182016 Bytes  784728064 bits/sec
[  7]  0.0-10.0 sec  818929664 Bytes  655139800 bits/sec
[  7] MSS size 1448 bytes (MTU 1500 bytes, ethernet)
SENDER END