Digital Divide and PingER

Presented by Les Cottrell at the ICFA/SCIC meeting, July 11 2003

www.slac.stanford.edu/grp/scs/net/talk03/icfa-jul03.html

Partially funded by DOE/MICS Field Work Proposal on Internet End-to-end Performance Monitoring (IEPM), also

supported by IUPAP

PingER Benefits• Measures analyzes & reports

round-trip times, losses, availability, throughput ...– Low impact on network << 100bits/s,

important for many DD sites– Covers 75+ countries (99% of

Internet connected population)• Provide historical and near real-

time quantitative information– Aggregate by regions, affiliations etc.– How bad is performance to various

regions?– Trends: who is catching up, falling

behind?– Compare vs. economic, financial

indicators etc.• Use for trouble shooting setting

expectations, presenting to funding bodies

Collaborations & Funding

• 35+ monitoring sites in 15 countries– Plan to add ICTP Trieste if funded

• SLAC with help from FNAL• Digital Divide collaboration (MOU) with ICTP,

Trieste– eJDS– They are looking for a EU grant for eJDS and PingER

• Tried earlier this year, but too late

• Hopeful next year

• Also looking for small grants for helpers in developing countries – Possibilities: www.cos.com, www.sigamxi.com

More Information• PingER:

– www-iepm.slac.stanford.edu/pinger/

• eJDS– www.ejds.org/

• ICFA/SCIC Network Monitoring report, Jan03– www.slac.stanford.edu/xorg/icfa/icfa-net-paper-

dec02