1. NEES Cyberinfrastructure Center at the San Diego Supercomputer Center, UCSD George E. Brown, Jr. Network for Earthquake Engineering Simulation Analyzing the NEES Consortium Network Bandwidth Young Researchers Symposium Oregon, August 11 th 2006 Alek Harounian (alek@ucla.edu)alek@ucla.edu NEESreu@NEESit http://it.nees.org

2. NEES Cyberinfrastructure Center at the San Diego Supercomputer Center, UCSD George E. Brown, Jr. Network for Earthquake Engineering Simulation Overview  Overview of NEES, NEESit and NEESgrid  Analysis of the NEES consortium network bandwidth using bandwidth test controller  Visual display of the utilization of the network links

3. NEES Cyberinfrastructure Center at the San Diego Supercomputer Center, UCSD George E. Brown, Jr. Network for Earthquake Engineering Simulation Background  NEES Overview Nationwide network of 15 experimental facilities funded by the National Science Foundation to advance earthquake engineering research and education  NEESit Overview NEES Cyberinfrastructure Center (NEESit) is a central infrastructure based on computer networks, specific software tools, and data repositories that supports research in earthquake engineering

4. NEES Cyberinfrastructure Center at the San Diego Supercomputer Center, UCSD George E. Brown, Jr. Network for Earthquake Engineering Simulation What is NEESgrid? A network and a communications web that uses collaborative facilities and telepresence technologies to connect earthquake engineering researchers together using Internet2

5. NEES Cyberinfrastructure Center at the San Diego Supercomputer Center, UCSD George E. Brown, Jr. Network for Earthquake Engineering Simulation Objective  Use Bandwidth Test Controller (bwctl) and Bandwidth Test Controller daemon (bwctld) to run 3-way testing in order to improve NEESit and its user community’s understanding of their network’s behavior when running bandwidth intensive programs  Project will utilize:  Bandwidth Test Controller (bwctl)  Bandwidth Test Controller Daemon (bwctld) (for 3-way testing)

6. NEES Cyberinfrastructure Center at the San Diego Supercomputer Center, UCSD George E. Brown, Jr. Network for Earthquake Engineering Simulation Accomplishments and Current Status  Uploading data to NEEScentral  Learning Linux operating system  Command line scripting  Learning concepts of iperf & bwctl  Iperf installation and test  Bwctl and bwctld installation  Setting the configuration file  Configuring the limits file  Setting the user authentication  Launching bwctl and bwctld on three Linux servers  Initiating bandwidth test on the servers  Preparing documentation to deploy and install bwctld for equipment sites.

7. NEES Cyberinfrastructure Center at the San Diego Supercomputer Center, UCSD George E. Brown, Jr. Network for Earthquake Engineering Simulation Bwctl Output [alek@neesdev bin]$./bwctl -c neesesque4.sdsc.edu A AESKEY neesmonitor -s neesesque3.sdsc.edu A AESKEY neesmonitor -t 4 -i 1 Enter passphrase for host 'neesesque4.sdsc.edu', identity 'neesmonitor': Enter passphrase for host 'neesesque3.sdsc.edu', identity 'neesmonitor': bwctl: 11 seconds until test results available RECEIVER START 3363701290.420807: iperf -B 198.202.90.56 -P 1 -s -f b -m -p 5001 -t 4 -i 1 ------------------------------------------------------------ Server listening on TCP port 5001 Binding to local address 198.202.90.56 TCP window size: 87380 Byte (default) ------------------------------------------------------------ [ 14] local 198.202.90.56 port 5001 connected with 198.202.90.55 port 5001 [ 14] 0.0- 1.0 sec 117576568 Bytes 940612544 bits/sec [ 14] 1.0- 2.0 sec 117691944 Bytes 941535552 bits/sec [ 14] 2.0- 3.0 sec 117663472 Bytes 941307776 bits/sec [ 14] 3.0- 4.0 sec 117672624 Bytes 941380992 bits/sec [ 14] 0.0- 4.0 sec 470679552 Bytes 940998466 bits/sec [ 14] MSS size 1448 bytes (MTU 1500 bytes, ethernet) RECEIVER END [alek@neesdev bin]$

8. NEES Cyberinfrastructure Center at the San Diego Supercomputer Center, UCSD George E. Brown, Jr. Network for Earthquake Engineering Simulation Future Work  Learning Perl scripting language  Preparing a network weathermap for NEESgrid that will show bandwidth utilization by drawing a graphical map of the entire network  Initiating 3-way testing between NEESit and NEES equipments sites

9. NEES Cyberinfrastructure Center at the San Diego Supercomputer Center, UCSD George E. Brown, Jr. Network for Earthquake Engineering Simulation NEESgrid Weathermap

10. NEES Cyberinfrastructure Center at the San Diego Supercomputer Center, UCSD George E. Brown, Jr. Network for Earthquake Engineering Simulation Thank you!