Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

org.apache.oodt.cas.pushpull.exceptions.RemoteConnectionException:
[ProtocolHandler]

Packet corruption

$ tc qdisc change dev eth0 root netem corrupt 1%

The packet corruption is not seen to have a significant impact on the performance of file transfer for packet corruption < 8%. For packets > 8% being corrupted, the file transfer time is seen to increase. For packet corruption > 32%, the terminal itself became unresponsive and incapable of testing file transfer using PushPull.

Image Added

Modified TCP window

A single file of 1024MB was downloaded using PushPull using different TCP window sizes. There is the option to enable/disable TCP window scaling in the configuration file /etc/sysctl.conf and to set the maximum transfer window under LINUX. The file is then reloaded to update the parameters using

...