Internet End-to-end Performance Monitoring Les Cottrell1, David Martin2 & Connie Logg1 SLAC1 & HEPNRC/FNAL2 http://www.slac.stanford.edu/grp/scs/net/talk/isma-sdo-may97/index.htm

II. Data Measurement Methodology

Data Collection & Distribution Architecture

Example Data Analysis Request

Example Data Analysis Results

Advantages of Distributed Methodology

II. Analysis & Reporting

Results from ~70 Sites in 10 Countries Being Monitored from SLAC

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Quality by Host Group

Host Unreachability

Analysis & Report Conclusions

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Future Work

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