Changes between Initial Version and Version 1 of PlasticSlices/BaselineEvaluation/Baseline1Details

Timestamp:

05/20/11 10:38:50 (13 years ago)

Author:

Josh Smift

Comment:

--

PlasticSlices/BaselineEvaluation/Baseline1Details

@@ +1 @@
+[[PageOutline]]
+
+Here are the details of [PlasticSlices/BaselineEvaluation#Baseline1 Baseline 1], divided by slice.
+
+= plastic-101 =
+
+[PlasticSlices/Experiments#GigaPing GigaPing], using count=120000, and this table of client/server pairs:
+
+|| '''client'''                   || '''server'''                   || '''server address''' ||
+|| ganel.gpolab.bbn.com           || planetlab5.clemson.edu         || server=10.42.101.105 ||
+|| planetlab4.clemson.edu         || pl5.myplc.grnoc.iu.edu         || server=10.42.101.73  ||
+|| pl4.myplc.grnoc.iu.edu         || of-planet2.stanford.edu        || server=10.42.101.91  ||
+|| of-planet1.stanford.edu        || pl02.cs.washington.edu         || server=10.42.101.81  ||
+|| pl01.cs.washington.edu.edu     || wings-openflow-3.wail.wisc.edu || server=10.42.101.96  ||
+|| wings-openflow-2.wail.wisc.edu || gardil.gpolab.bbn.com          || server=10.42.101.52  ||
+
+== Commands run on each client ==
+
+{{{
+server=<ipaddr>
+sudo ping -i .001 -s $((1500-8-20)) -c 120000 $server
+}}}
+
+== Results ==
+
+ganel.gpolab.bbn.com:
+
+{{{
+--- 10.42.101.105 ping statistics ---
+120000 packets transmitted, 119971 received, 0% packet loss, time 970088ms
+rtt min/avg/max/mdev = 59.356/59.555/617.615/6.479 ms, pipe 76
+}}}
+
+planetlab4.clemson.edu:
+
+{{{
+--- 10.42.101.73 ping statistics ---
+120000 packets transmitted, 120000 received, 0% packet loss, time 834526ms
+rtt min/avg/max/mdev = 39.670/39.861/626.202/6.815 ms, pipe 62
+}}}
+
+pl4.myplc.grnoc.iu.edu:
+
+{{{
+--- 10.42.101.91 ping statistics ---
+120000 packets transmitted, 119945 received, 0% packet loss, time 996653ms
+rtt min/avg/max/mdev = 102.824/103.855/2228.383/32.965 ms, pipe 373
+}}}
+
+of-planet1.stanford.edu:
+
+{{{
+--- 10.42.101.81 ping statistics ---
+120000 packets transmitted, 117874 received, 1% packet loss, time 893630ms
+rtt min/avg/max/mdev = 152.657/177.853/30634.399/631.352 ms, pipe 3394
+}}}
+
+pl01.cs.washington.edu:
+
+{{{
+--- 10.42.101.96 ping statistics ---
+120000 packets transmitted, 0 received, 100% packet loss, time 1357084ms
+}}}
+
+wings-openflow-2.wail.wisc.edu:
+
+{{{
+--- 10.42.101.52 ping statistics ---
+120000 packets transmitted, 120000 received, 0% packet loss, time 944479ms
+rtt min/avg/max/mdev = 29.548/29.607/276.653/2.024 ms, pipe 32
+}}}
+
+== Analysis ==
+
+pl01.cs.washington.edu was unable to ping 10.42.101.96 (on wings-openflow-3.wail.wisc.edu) at all.
+
+The other results seem consistent with what we'd expect.
+
+= plastic-102 =
+
+[PlasticSlices/Experiments#GigaPing GigaPing], using count=120000, and this table of client/server pairs:
+
+|| '''client'''                   || '''server'''                   || '''server address''' ||
+|| sardis.gpolab.bbn.com          || planetlab4.clemson.edu         || server=10.42.102.104 ||
+|| planetlab5.clemson.edu         || pl4.myplc.grnoc.iu.edu         || server=10.42.102.72  ||
+|| pl5.myplc.grnoc.iu.edu         || of-planet4.stanford.edu        || server=10.42.102.93  ||
+|| of-planet3.stanford.edu        || pl01.cs.washington.edu         || server=10.42.102.80  ||
+|| pl02.cs.washington.edu         || wings-openflow-2.wail.wisc.edu || server=10.42.102.95  ||
+|| wings-openflow-3.wail.wisc.edu || bain.gpolab.bbn.com            || server=10.42.102.54  ||
+
+== Commands run on each client ==
+
+{{{
+server=<ipaddr>
+sudo ping -i .001 -s $((1500-8-20)) -c 120000 $server
+}}}
+
+== Results ==
+
+sardis.gpolab.bbn.com:
+
+{{{
+--- 10.42.102.104 ping statistics ---
+120000 packets transmitted, 119950 received, 0% packet loss, time 950547ms
+rtt min/avg/max/mdev = 164.723/165.996/1954.900/39.054 ms, pipe 202
+}}}
+
+planetlab5.clemson.edu:
+
+{{{
+--- 10.42.102.72 ping statistics ---
+120000 packets transmitted, 119865 received, 0% packet loss, time 922229ms
+rtt min/avg/max/mdev = 145.015/146.233/2030.306/37.677 ms, pipe 204
+}}}
+
+pl5.myplc.grnoc.iu.edu:
+
+{{{
+--- 10.42.102.93 ping statistics ---
+120000 packets transmitted, 0 received, 100% packet loss, time 1227139ms
+}}}
+
+of-planet3.stanford.edu:
+
+{{{
+--- 10.42.102.80 ping statistics ---
+120000 packets transmitted, 0 received, 100% packet loss, time 1349857ms
+}}}
+
+pl02.cs.washington.edu:
+
+{{{
+--- 10.42.102.95 ping statistics ---
+120000 packets transmitted, 119888 received, 0% packet loss, time 861916ms
+rtt min/avg/max/mdev = 59.672/60.787/1546.134/20.695 ms, pipe 151
+}}}
+
+wings-openflow-3.wail.wisc.edu:
+
+{{{
+--- 10.42.102.54 ping statistics ---
+120000 packets transmitted, 119808 received, 0% packet loss, time 940112ms
+rtt min/avg/max/mdev = 29.551/29.701/554.670/6.144 ms, pipe 48
+}}}
+
+== Analysis ==
+
+pl5.myplc.grnoc.iu.edu was unable to ping 10.42.102.93 (on of-planet4.stanford.edu) at all, and of-planet3.stanford.edu was unable to ping 10.42.102.80 (on pl01.cs.washington.edu) at all.
+
+The other results seem consistent with what we'd expect.
+
+= plastic-103 =
+
+[PlasticSlices/Experiments#GigaPerfTCP GigaPerf TCP], using port=5103, size=350, and this table of client/server pairs:
+
+|| '''client'''                   || '''server'''                   || '''server address''' ||
+|| of-planet1.stanford.edu        || navis.gpolab.bbn.com           || server=10.42.103.55  ||
+|| ganel.gpolab.bbn.com           || pl01.cs.washington.edu         || server=10.42.103.80  ||
+|| pl02.cs.washington.edu         || of-planet2.stanford.edu        || server=10.42.103.91  ||
+
+== One-time prep commands run on each client and server ==
+
+{{{
+sudo yum -y install iperf
+}}}
+
+== Commands run on each server ==
+
+{{{
+server=<ipaddr>
+nice -n 19 iperf -B $server -p 5103 -s -i 1
+}}}
+
+== Commands run on each client ==
+
+{{{
+server=<ipaddr>
+nice -n 19 iperf -c $server -p 5103 -n 350M
+}}}
+
+== Results ==
+
+of-planet1.stanford.edu:
+
+{{{
+------------------------------------------------------------
+Client connecting to 10.42.103.55, TCP port 5103
+TCP window size: 16.0 KByte (default)
+------------------------------------------------------------
+[  3] local 10.42.103.90 port 54079 connected with 10.42.103.55 port 5103
+[ ID] Interval       Transfer     Bandwidth
+[  3]  0.0-708.0 sec   350 MBytes  4.15 Mbits/sec
+}}}
+
+ganel.gpolab.bbn.com:
+
+{{{
+connect failed: Connection timed out
+write1 failed: Broken pipe
+write2 failed: Broken pipe
+------------------------------------------------------------
+Client connecting to 10.42.103.80, TCP port 5103
+TCP window size: 16.0 KByte (default)
+------------------------------------------------------------
+[  3] local 0.0.0.0 port 48977 connected with 10.42.103.80 port 5103
+[  3]  0.0- 0.0 sec  0.00 Bytes  0.00 bits/sec
+}}}
+
+pl02.cs.washington.edu:
+
+{{{
+------------------------------------------------------------
+Client connecting to 10.42.103.91, TCP port 5103
+TCP window size: 16.0 KByte (default)
+------------------------------------------------------------
+[  3] local 10.42.103.81 port 38247 connected with 10.42.103.91 port 5103
+[ ID] Interval       Transfer     Bandwidth
+[  3]  0.0-918.1 sec   350 MBytes  3.20 Mbits/sec
+}}}
+
+== Analysis ==
+
+ganel.gpolab.bbn.com was unable to connect to 10.42.103.80 (on pl01.cs.washington.edu).
+
+The other results seem consistent with what we'd expect.
+
+= plastic-104 =
+
+[PlasticSlices/Experiments#GigaPerfUDP GigaPerf UDP], using port=5104, size=1000, rate=100, and this table of client/server pairs:
+
+|| '''client'''                   || '''server'''                   || '''server address''' ||
+|| planetlab4.clemson.edu         || gardil.gpolab.bbn.com          || server=10.42.104.52 ||
+
+== One-time prep commands run on each client and server ==
+
+{{{
+sudo yum -y install iperf
+}}}
+
+== Commands run on each server ==
+
+{{{
+server=<ipaddr>
+nice -n 19 iperf -u -B $server -p 5104 -s -i 1
+}}}
+
+== Commands run on each client ==
+
+{{{
+server=<ipaddr>
+nice -n 19 iperf -u -c $server -p 5104 -n 1000M -b 100M
+}}}
+
+== Results ==
+
+planetlab4.clemson.edu:
+
+{{{
+------------------------------------------------------------
+Client connecting to 10.42.104.52, UDP port 5104
+Sending 1470 byte datagrams
+UDP buffer size:  109 KByte (default)
+------------------------------------------------------------
+[  3] local 10.42.104.104 port 33857 connected with 10.42.104.52 port 5104
+[ ID] Interval       Transfer     Bandwidth
+[  3]  0.0-83.8 sec  1000 MBytes   100 Mbits/sec
+[  3] Sent 713318 datagrams
+[  3] Server Report:
+[  3]  0.0-83.1 sec  8.05 MBytes   812 Kbits/sec  27.059 ms 707567/713308 (99%)
+}}}
+
+== Analysis ==
+
+99% packet loss suggests a lot of network congestion. We didn't attempt to discover where the congestion was (e.g. on the host interface, a switch between the host and the backbone, within the backbone, in the OpenFlow control path, etc).
+
+= plastic-105 =
+
+[PlasticSlices/Experiments#GigaPerfTCP GigaPerf TCP], using port=5105, size=350, and this table of client/server pairs:
+
+|| '''client'''                   || '''server'''                   || '''server address''' ||
+|| wings-openflow-2.wail.wisc.edu || planetlab5.clemson.edu         || server=10.42.105.105 ||
+|| planetlab4.clemson.edu         || sardis.gpolab.bbn.com          || server=10.42.105.53  ||
+|| bain.gpolab.bbn.com            || wings-openflow-3.wail.wisc.edu || server=10.42.105.96  ||
+
+== One-time prep commands run on each client and server ==
+
+{{{
+sudo yum -y install iperf
+}}}
+
+== Commands run on each server ==
+
+{{{
+server=<ipaddr>
+nice -n 19 iperf -B $server -p 5103 -s -i 1
+}}}
+
+== Commands run on each client ==
+
+{{{
+server=<ipaddr>
+nice -n 19 iperf -c $server -p 5103 -n 350M
+}}}
+
+== Results ==
+
+wings-openflow-2.wail.wisc.edu:
+
+{{{
+------------------------------------------------------------
+Client connecting to 10.42.105.105, TCP port 5103
+TCP window size: 16.0 KByte (default)
+------------------------------------------------------------
+[  3] local 10.42.105.95 port 49534 connected with 10.42.105.105 port 5103
+[ ID] Interval       Transfer     Bandwidth
+[  3]  0.0-249.4 sec   350 MBytes  11.8 Mbits/sec
+}}}
+
+planetlab4.clemson.edu:
+
+{{{
+------------------------------------------------------------
+Client connecting to 10.42.105.53, TCP port 5103
+TCP window size: 16.0 KByte (default)
+------------------------------------------------------------
+[  3] local 10.42.105.104 port 40099 connected with 10.42.105.53 port 5103
+[ ID] Interval       Transfer     Bandwidth
+[  3]  0.0-348.4 sec   350 MBytes  8.43 Mbits/sec
+}}}
+
+bain.gpolab.bbn.com:
+
+{{{
+------------------------------------------------------------
+Client connecting to 10.42.105.96, TCP port 5103
+TCP window size: 16.0 KByte (default)
+------------------------------------------------------------
+[  3] local 10.42.105.54 port 35328 connected with 10.42.105.96 port 5103
+[  3]  0.0-676.9 sec    350 MBytes  4.34 Mbits/sec
+}}}
+
+== Analysis ==
+
+We used the wrong port for this slice by mistake, but think that this didn't cause any problems, since the traffic also uses to a unique IP address.
+
+The other results seem consistent with what we'd expect.
+
+= plastic-106 =
+
+[PlasticSlices/Experiments#GigaPerfUDP GigaPerf UDP], using port=5106, size=1000, rate=100, and this table of client/server pairs:
+
+|| '''client'''                   || '''server'''                   || '''server address''' ||
+|| planetlab5.clemson.edu         || wings-openflow-2.wail.wisc.edu || server=10.42.106.95  ||
+
+== One-time prep commands run on each client and server ==
+
+{{{
+sudo yum -y install iperf
+}}}
+
+== Commands run on each server ==
+
+{{{
+server=<ipaddr>
+nice -n 19 iperf -u -B $server -p 5104 -s -i 1
+}}}
+
+== Commands run on each client ==
+
+{{{
+server=<ipaddr>
+nice -n 19 iperf -u -c $server -p 5104 -n 1000M -b 100M
+}}}
+
+== Results ==
+
+planetlab5.clemson.edu:
+
+{{{
+------------------------------------------------------------
+Client connecting to 10.42.106.95, UDP port 5104
+Sending 1470 byte datagrams
+UDP buffer size:  109 KByte (default)
+------------------------------------------------------------
+[  3] local 10.42.106.105 port 43743 connected with 10.42.106.95 port 5104
+[ ID] Interval       Transfer     Bandwidth
+[  3]  0.0-83.6 sec  1000 MBytes   100 Mbits/sec
+[  3] Sent 713318 datagrams
+[  3] Server Report:
+[  3]  0.0-79.1 sec  9.71 MBytes  1.03 Mbits/sec  21.837 ms 706350/713275 (99%)
+[  3]  0.0-79.1 sec  76 datagrams received out-of-order
+}}}
+
+== Analysis ==
+
+We used the wrong port for this slice by mistake, but think that this didn't cause any problems, since the traffic also uses to a unique IP address.
+
+99% packet loss suggests a lot of network congestion. We didn't attempt to discover where the congestion was (e.g. on the host interface, a switch between the host and the backbone, within the backbone, in the OpenFlow control path, etc).
+
+= plastic-107 =
+
+[PlasticSlices/Experiments#GigaWeb GigaWeb], using count=40, port=4107, file=substrate.doc, md5sum=d4fcf71833327fbfef98be09deef8bfb, and this table of client/server pairs:
+
+|| '''client'''                   || '''server'''                   || '''server address''' ||
+|| planetlab5.clemson.edu         || pl4.myplc.grnoc.iu.edu         || server=10.42.107.72  ||
+|| pl5.myplc.grnoc.iu.edu         || pl02.cs.washington.edu         || server=10.42.107.81  ||
+|| pl01.cs.washington.edu         || planetlab4.clemson.edu         || server=10.42.107.104 ||
+
+== One-time prep commands run on each server ==
+
+{{{
+sudo yum -y install pyOpenSSL patch
+rm -rf ~/gigaweb
+mkdir -p ~/gigaweb/docroot
+cd ~/gigaweb
+wget http://code.activestate.com/recipes/442473-simple-http-server-supporting-ssl-secure-communica/download/1/ -O httpsd.py
+wget http://groups.geni.net/geni/attachment/wiki/PlasticSlices/Experiments/httpsd.py.patch?format=raw -O httpsd.py.patch
+patch httpsd.py httpsd.py.patch
+rm httpsd.py.patch
+
+openssl genrsa -passout pass:localhost -des3 -rand /dev/urandom -out localhost.localdomain.key 1024
+openssl req -subj /CN=localhost.localdomain -passin pass:localhost -new -key localhost.localdomain.key -out localhost.localdomain.csr
+openssl x509 -passin pass:localhost -req -days 3650 -in localhost.localdomain.csr -signkey localhost.localdomain.key -out localhost.localdomain.crt
+openssl rsa -passin pass:localhost -in localhost.localdomain.key -out decrypted.localhost.localdomain.key
+mv decrypted.localhost.localdomain.key localhost.localdomain.key
+cat localhost.localdomain.key localhost.localdomain.crt > localhost.localdomain.pem
+rm localhost.localdomain.key localhost.localdomain.crt localhost.localdomain.csr
+}}}
+
+== Commands run on each server ==
+
+{{{
+server=<ipaddr>
+cd ~/gigaweb/docroot
+python ../httpsd.py $server 4107
+}}}
+
+== Commands run on each client ==
+
+{{{
+server=<ipaddr>
+rm -rf ~/gigaweb
+mkdir ~/gigaweb
+cd ~/gigaweb
+for i in {1..40} ; do wget --no-check-certificate https://$server:4107/substrate.doc -O substrate.doc.$i ; done
+du -sb .
+md5sum * | grep -v d4fcf71833327fbfef98be09deef8bfb || echo "All checksums match."
+}}}
+
+== Results ==
+
+planetlab5.clemson.edu:
+
+{{{
+[pgenigpolabbbncom_plastic107@planetlab5 gigaweb]$ du -sb .
+339501056       .
+[pgenigpolabbbncom_plastic107@planetlab5 gigaweb]$ md5sum * | grep -v d4fcf71833327fbfef98be09deef8bfb || echo "All checksums match."
+All checksums match.
+}}}
+
+pl5.myplc.grnoc.iu.edu:
+
+{{{
+[pgenigpolabbbncom_plastic107@pl5 gigaweb]$ du -sb .
+339501056       .
+[pgenigpolabbbncom_plastic107@pl5 gigaweb]$ md5sum * | grep -v d4fcf71833327fbfef98be09deef8bfb || echo "All checksums match."
+All checksums match.
+}}}
+
+pl01.cs.washington.edu:
+
+{{{
+[pgenigpolabbbncom_plastic107@pl01 gigaweb]$ du -sb .
+339501056       .
+[pgenigpolabbbncom_plastic107@pl01 gigaweb]$ md5sum * | grep -v d4fcf71833327fbfef98be09deef8bfb || echo "All checksums match."
+All checksums match.
+}}}
+
+== Analysis ==
+
+All results seem consistent with what we'd expect.
+
+= plastic-108 =
+
+[PlasticSlices/Experiments#GigaWeb GigaWeb], using count=40, port=4108, file=substrate.doc, md5sum=d4fcf71833327fbfef98be09deef8bfb, and this table of client/server pairs:
+
+|| '''client'''                   || '''server'''                   || '''server address''' ||
+|| wings-openflow-3.wail.wisc.edu || of-planet3.stanford.edu        || server=10.42.108.92  ||
+|| of-planet4.stanford.edu        || pl5.myplc.grnoc.iu.edu         || server=10.42.108.73  ||
+|| pl4.myplc.grnoc.iu.edu         || wings-openflow-2.wail.wisc.edu || server=10.42.108.95  ||
+
+== One-time prep commands run on each server ==
+
+{{{
+sudo yum -y install pyOpenSSL patch
+rm -rf ~/gigaweb
+mkdir -p ~/gigaweb/docroot
+cd ~/gigaweb
+wget http://code.activestate.com/recipes/442473-simple-http-server-supporting-ssl-secure-communica/download/1/ -O httpsd.py
+wget http://groups.geni.net/geni/attachment/wiki/PlasticSlices/Experiments/httpsd.py.patch?format=raw -O httpsd.py.patch
+patch httpsd.py httpsd.py.patch
+rm httpsd.py.patch
+
+openssl genrsa -passout pass:localhost -des3 -rand /dev/urandom -out localhost.localdomain.key 1024
+openssl req -subj /CN=localhost.localdomain -passin pass:localhost -new -key localhost.localdomain.key -out localhost.localdomain.csr
+openssl x509 -passin pass:localhost -req -days 3650 -in localhost.localdomain.csr -signkey localhost.localdomain.key -out localhost.localdomain.crt
+openssl rsa -passin pass:localhost -in localhost.localdomain.key -out decrypted.localhost.localdomain.key
+mv decrypted.localhost.localdomain.key localhost.localdomain.key
+cat localhost.localdomain.key localhost.localdomain.crt > localhost.localdomain.pem
+rm localhost.localdomain.key localhost.localdomain.crt localhost.localdomain.csr
+}}}
+
+== Commands run on each server ==
+
+{{{
+server=<ipaddr>
+cd ~/gigaweb/docroot
+python ../httpsd.py $server 4108
+}}}
+
+== Commands run on each client ==
+
+{{{
+server=<ipaddr>
+rm -rf ~/gigaweb
+mkdir ~/gigaweb
+cd ~/gigaweb
+for i in {1..40} ; do wget --no-check-certificate https://$server:4108/substrate.doc -O substrate.doc.$i ; done
+du -sb .
+md5sum * | grep -v d4fcf71833327fbfef98be09deef8bfb || echo "All checksums match."
+}}}
+
+== Results ==
+
+wings-openflow-3.wail.wisc.edu:
+
+{{{
+[pgenigpolabbbncom_plastic108@wings-openflow-3 gigaweb]$ du -sb .
+339501056       .
+[pgenigpolabbbncom_plastic108@wings-openflow-3 gigaweb]$ md5sum * | grep -v d4fcf71833327fbfef98be09deef8bfb || echo "All checksums match."
+All checksums match.
+}}}
+
+of-planet4.stanford.edu:
+
+{{{
+--2011-05-18 21:22:39--  https://10.42.108.73:4108/substrate.doc
+Connecting to 10.42.108.73:4108... connected.
+WARNING: cannot verify 10.42.108.73's certificate, issued by `/CN=localhost.localdomain':
+  Self-signed certificate encountered.
+WARNING: certificate common name `localhost.localdomain' doesn't match requested host name `10.42.108.73'.
+HTTP request sent, awaiting response... Read error (Connection timed out) in headers.
+Retrying.
+}}}
+
+pl4.myplc.grnoc.iu.edu:
+
+{{{
+[pgenigpolabbbncom_plastic108@pl4 gigaweb]$ du -sb .
+339501056       .
+[pgenigpolabbbncom_plastic108@pl4 gigaweb]$ md5sum * | grep -v d4fcf71833327fbfef98be09deef8bfb || echo "All checksums match."
+All checksums match.
+}}}
+
+== Analysis ==
+
+of-planet4.stanford.edu timed out trying to download from 10.42.108.73 (on pl5.myplc.grnoc.iu.edu).
+
+The other results seem consistent with what we'd expect.
+
+= plastic-109 =
+
+[PlasticSlices/Experiments#GigaNetcat GigaNetcat], using count=20, port=6109, file=substrate.doc, and this table of client/server pairs:
+
+|| '''client'''                   || '''server'''                   || '''server address''' ||
+|| navis.gpolab.bbn.com           || pl5.myplc.grnoc.iu.edu         || server=10.42.109.73  ||
+|| pl4.myplc.grnoc.iu.edu         || pl02.cs.washington.edu         || server=10.42.109.81  ||
+|| pl01.cs.washington.edu         || planetlab5.clemson.edu         || server=10.42.109.105 ||
+|| planetlab4.clemson.edu         || of-planet3.stanford.edu        || server=10.42.109.92  ||
+|| of-planet4.stanford.edu        || wings-openflow-3.wail.wisc.edu || server=10.42.109.96  ||
+|| wings-openflow-2.wail.wisc.edu || ganel.gpolab.bbn.com           || server=10.42.109.51  ||
+
+== One-time prep commands run on each client and server ==
+
+{{{
+sudo yum -y install nc
+}}}
+
+== Commands run on each server ==
+
+{{{
+server=<ipaddr>
+for i in {1..20} ; do nc -l $server 6109 < substrate.doc ; echo "completed transfer #$i" ; md5sum substrate.doc ; done
+}}}
+
+== Commands run on each client ==
+
+{{{
+server=<ipaddr>
+rm -rf ~/giganetcat
+mkdir ~/giganetcat
+cd ~/giganetcat
+for i in {1..20} ; do nc $server 6109 > substrate.doc ; echo "completed transfer #$i" ; md5sum substrate.doc ; mv substrate.doc substrate.doc.$i ; done
+du -sb .
+md5sum * | grep -v d4fcf71833327fbfef98be09deef8bfb || echo "All checksums match."
+}}}
+
+== Results ==
+
+navis.gpolab.bbn.com:
+
+{{{
+[pgenigpolabbbncom_plastic109@navis giganetcat]$ du -sb .
+169752576       .
+[pgenigpolabbbncom_plastic109@navis giganetcat]$ md5sum * | grep -v d4fcf71833327fbfef98be09deef8bfb || echo "All checksums match."
+All checksums match.
+}}}
+
+pl4.myplc.grnoc.iu.edu:
+
+{{{
+[pgenigpolabbbncom_plastic109@pl4 giganetcat]$ du -sb .
+169752576       .
+[pgenigpolabbbncom_plastic109@pl4 giganetcat]$ md5sum * | grep -v d4fcf71833327fbfef98be09deef8bfb || echo "All checksums match."
+All checksums match.
+}}}
+
+pl01.cs.washington.edu:
+
+{{{
+[pgenigpolabbbncom_plastic109@pl01 giganetcat]$ du -sb .
+169752576       .
+[pgenigpolabbbncom_plastic109@pl01 giganetcat]$ md5sum * | grep -v d4fcf71833327fbfef98be09deef8bfb || echo "All checksums match."
+All checksums match.
+}}}
+
+planetlab4.clemson.edu:
+
+{{{
+[pgenigpolabbbncom_plastic109@planetlab4 giganetcat]$ du -sb .
+169752576       .
+[pgenigpolabbbncom_plastic109@planetlab4 giganetcat]$ md5sum * | grep -v d4fcf71833327fbfef98be09deef8bfb || echo "All checksums match."
+All checksums match.
+}}}
+
+of-planet4.stanford.edu (and wings-openflow-3.wail.wisc.edu, the server):
+
+{{{
+[pgenigpolabbbncom_plastic109@of-planet4 giganetcat]$ for i in {1..20} ; do nc $server 6109 > substrate.doc ; echo "completed transfer #$i" ; md5sum substrate.doc ; mv substrate.doc substrate.doc.$i ; done
+
+[pgenigpolabbbncom_plastic109@wings-openflow-3 ~]$ for i in {1..20} ; do nc -l $server 6109 < substrate.doc ; echo "completed transfer #$i" ; md5sum substrate.doc ; done
+completed transfer #1
+d4fcf71833327fbfef98be09deef8bfb  substrate.doc
+}}}
+
+wings-openflow-2.wail.wisc.edu:
+
+{{{
+[pgenigpolabbbncom_plastic109@wings-openflow-2 giganetcat]$ du -sb .
+169752576       .
+[pgenigpolabbbncom_plastic109@wings-openflow-2 giganetcat]$ md5sum * | grep -v d4fcf71833327fbfef98be09deef8bfb || echo "All checksums match."
+All checksums match.
+}}}
+
+== Analysis ==
+
+of-planet4.stanford.edu failed to download from 10.42.109.96 (on wings-openflow-3.wail.wisc.edu).
+
+The other results seem consistent with what we'd expect.
+
+= plastic-110 =
+
+[PlasticSlices/Experiments#GigaNetcat GigaNetcat], using count=30, port=6110, file=substrate.doc, and this table of client/server pairs:
+
+|| '''client'''                   || '''server'''                   || '''server address''' ||
+|| gardil.gpolab.bbn.com          || pl01.cs.washington.edu         || server=10.42.110.80  ||
+|| pl02.cs.washington.edu         || of-planet1.stanford.edu        || server=10.42.110.90  ||
+|| of-planet2.stanford.edu        || pl4.myplc.grnoc.iu.edu         || server=10.42.110.72  ||
+|| pl5.myplc.grnoc.iu.edu         || sardis.gpolab.bbn.com          || server=10.42.110.53  ||
+
+== One-time prep commands run on each client and server ==
+
+{{{
+sudo yum -y install nc
+}}}
+
+== Commands run on each server ==
+
+{{{
+server=<ipaddr>
+for i in {1..30} ; do nc -l $server 6110 < substrate.doc ; echo "completed transfer #$i" ; md5sum substrate.doc ; done
+}}}
+
+== Commands run on each client ==
+
+{{{
+server=<ipaddr>
+rm -rf ~/giganetcat
+mkdir ~/giganetcat
+cd ~/giganetcat
+for i in {1..30} ; do nc $server 6110 > substrate.doc ; echo "completed transfer #$i" ; md5sum substrate.doc ; mv substrate.doc substrate.doc.$i ; done
+du -sb .
+md5sum * | grep -v d4fcf71833327fbfef98be09deef8bfb || echo "All checksums match."
+}}}
+
+== Results ==
+
+gardil.gpolab.bbn.com:
+
+{{{
+[pgenigpolabbbncom_plastic110@gardil giganetcat]$ du -sb .
+254626816       .
+[pgenigpolabbbncom_plastic110@gardil giganetcat]$ md5sum * | grep -v d4fcf71833327fbfef98be09deef8bfb || echo "All checksums match."
+All checksums match.
+}}}
+
+pl02.cs.washington.edu:
+
+{{{
+[pgenigpolabbbncom_plastic110@pl02 giganetcat]$ du -sb .
+254626816       .
+[pgenigpolabbbncom_plastic110@pl02 giganetcat]$ md5sum * | grep -v d4fcf71833327fbfef98be09deef8bfb || echo "All checksums match."
+All checksums match.
+}}}
+
+of-planet2.stanford.edu:
+
+{{{
+[pgenigpolabbbncom_plastic110@of-planet2 giganetcat]$ du -sb .
+254626816       .
+[pgenigpolabbbncom_plastic110@of-planet2 giganetcat]$ md5sum * | grep -v d4fcf71833327fbfef98be09deef8bfb || echo "All checksums match."
+All checksums match.
+}}}
+
+pl5.myplc.grnoc.iu.edu:
+
+{{{
+[pgenigpolabbbncom_plastic110@pl5 giganetcat]$ du -sb .
+254626816       .
+[pgenigpolabbbncom_plastic110@pl5 giganetcat]$ md5sum * | grep -v d4fcf71833327fbfef98be09deef8bfb || echo "All checksums match."
+All checksums match.
+}}}
+
+== Analysis ==
+
+All results seem consistent with what we'd expect.