End-to-end Internet performance & peering

Table of Contents

End-to-end Internet performance & peering

Outline of talk

Main tool (PingER) currently uses Ping

Examples of relevance to applications

Scale of Measurements

XIWT/IPERF

Surveyor

Improvement in RTT

What about loss?

Improvement in packet loss

Surveyor“Jitter”

Short term effect of routing change

Change of ISP Impact

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

Effect of direct connection

Importance of routing

Poor backup route

Importance of “QoS”

Common Congestion Point

Importance of Reducing ISPs/AS’s Crossed

Countries Expected to be Good

Reachability

Traceroute/Traceping

Monitoring Conclusions

More Information & extra info follows

Email: kmartell@slac.stanford.edu

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

Other information:
Ken Martell, SLAC Computer Services. Stanford University

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