End-to-end Monitoring in Esnet/HENP & the relevance of ping

Table of Contents

End-to-end Monitoring in Esnet/HENP & the relevance of ping

Outline of talk

Main tool (PingER) currently uses Ping

Examples of relevance to applications

Scale of Measurements

XIWT/IPERF

WebInterface

Effect of STAR-TAPon KEK.jp <=>SLAC

Improvement in RTT

Improvement in packet loss

Bandwidth improvement from ESnet sites

ESnet, I2, XIWT,Euro-Labs

Calibration of ping

Natural enemies of ping

Impact of limiting

Ping limiting/blocking

Avoiding

Surveyor / RIPE

Comparing PingER & Surveyor

Comparing Surveyor & ping/ER results

Surveyor vs. ping RTT

Surveyor vs. ping

Surveyor vs. Ping Correlation

PingER & Surveyor

PingER vsSurveyor

PingER - Surveyor Complementarity

Work in progress 1/2

Work in Progress 2/2

Monitoring Conclusions

More Information & extra info follows

Email: cottrell@slac.stanford.edu

Home Page: http://www.slac.stanford.edu/grp/scs/net/talk/

Other information:
R. Les Cottrell, Assistant Director, SLAC Computer Services

Download presentation source