High Speed File Replication

Table of Contents

High Speed File Replication

Overview

Participants in PPDG & GriPhyN

Site to site replication service

Measurement methodology

What does thruput depend on ?

LAN thruput vs windows & streams

LAN throughput measurements Sun/Solaris vs PIII/Linux

Progress towards goal:100 Mbytes/s Site-to-Site

Intercontinental high performance thruput on production networks SLAC (California US) to CERN (Switzerland)

SLAC to CERN thruput vs windows & streams

SLAC to CERN thruput vs windows & streams

E.g. thruput vs windows & streams

Measured WAN thruput

Iperf throughput conclusions

File transfer + Compression

SC2000 WAN Challenge

Packet reordering

Impact on Others

Effect of load on other traffic

Possible alleviation

WAN thruput conclusions

More Information

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

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