Report on IEPM PPDG efforts for PPDG for the quarter July - September 2004

Report prepared by Les Cottrell, October, 2004

Collaboration with IEPM, Network Performance Monitoring

Bandwidth/Throughput measurement (IEPM-BW)

We presented a talk on the Internet End-to-end Performance Monitoring at the Energy Science Network Site Coordinators Committee (ESCC) meeting, see

Following concerns about the impact of iperf testing on network traffic, we examined the effects and documented them at

We added U Victoria to the sites monitored by IEPM-BW.

We installed and studied BWCTL from Internet 2 which we will use for scheduling on-demand bandwidth measurements.

Lightweight Bandwidth Estimation

We assisted the people from SDSC/CAIDA to evaluate pathload on the IEPM-BW testbed.

Bandwidth performance anomalous events

We implemented and extended the NLANR "plateau" algorithm. We have tuned the anomalous event detection using the "Plateau Algorithm" to minimize diurnal effects.

Traceroute Analysis and Visualization

We gave a talk on Traceanal: a tool for analyzing and representing traceroutes We improved the traceroute topology visualization tool and applied it to the AMP data and incorporated it into the IEPM-BW traceroute visualization.


We worked with Florida International University to get agreement to install a PingER monitoring site there. This will be particularly useful to understand South American connectivity. We also successfully set up monitoring to an Indian commercial site (most PingER sites are Academic & Research, and we want to find out if the poor performance to India extends to commercial sites.

We worked with NIIT/Pakistan to develop a mouse sensitive map of PingER deployment.

SC2004 Bandwidth Challenge

We set up a collaboration with Caltech, FNAL, University of Manchester, England, several companies (e.g. Chelsio, S2io, Sun), ESnet, National Lambda Rail and other to participate in this year's SC2004 Bandwidth Challenge. For more details see the web site at

As part of this we secured loans of two 10GE wavelengths (from NLR and ESnet/QWest) from Sunnyvale to Pittsburgh (this year's site for SC2004), the loan of eleven Sun Opteron compute servers, 11 10GE interfaces, three Sun file servers, Cisco equipment (XENPAKs and routing blades), space at the Sunnyvale CENIC point of presence.

Proposals and Representation

We submitted and had accepted a proposal to the US Department of State and the Pakistan Ministry of Science and Technology for Measurement and Analysis for the Global Grid and Internet End-to-end performance (MAGGIE)

We amended the DoE/SciDAC proposal on TeraPaths: A QoS Enabled Collaborative Data Sharing Infrastructure for Peta-scale Computing Research, had it accepted and received funding. A two page summary of the new proposal can eb found at

SLAC is a partner in the UltraLight optical testbed proposal (led by Caltech) which was funded by the NSF. We collaborated with Texas A&M, NASA and others to submit a proposal to NASA on developing and monitoring IP based protocols for NASA satellites etc.

We attended the NASA/LSN workshop on Optical Network Technologies at NASA Ames. We prepared and gave a presentation on WAN Monitoring Issues (see and also served on a panel.

Submitted paper with FNAL to CHEP04 on Wide Area Networking System for HEP Experiments at FNAL.

We attended the DoE PI network research meeting at FNAL and made two presentations: