ESnet End-to-end Internet Monitoring
Outline of Talk
Why go to the effort?
Our Main Tool (PingER) is Ping Based
Measurement Architecture
Ping Loss Quality
Quality Distributions from SLAC
Aggregation/Grouping
Tabular Navigation Tool
Drill down (all sites monitoring CERN)
Overall Improvements Jan-95 Nov-97
How does it look for ESnet Researchers getting to US sites?
University access changes in last year
Canada
Europe
Asia
Intercontinental Grouping (Loss)
Summary 1/5
Summary 2/5
Summary 3/5
Summary 4/5
Summary 5/5
More Information & extra info follows
Perception of Packet Loss
180 Day Ping Performance SLAC-CERN
Running 10 week averages
Quiescence
Response & Loss Improvements
Top Level Domain Grouping (Loss)
US ESnet & vBNS
PPT Slide
MapPing
Traceroute Topology Tool
Email: cottrell@slac.stanford.edu
Home Page: http://www.slac.stanford.edu/grp/scs/net/talk.html
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