perfSONAR User Q&A and Other Discussion

["Bruce A. Mah" <>]

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ESnet (Energy Sciences Network) is proud to announce the public
release of iperf-3.0.5.  This version is a maintenance release with a
few bug fixes and enhancements, notably:

* A timing issue which caused measurement intervals to be wrong with
  TCP tests on lossy networks has been fixed.

* It is now possible to get (most of) the server-side output at
  the client by using the --get-server-output flag.

* A number of bugs with --json output have been fixed.

More information on changes can be found in the RELEASE_NOTES
file in the source distribution.

Note:  An iperf 3.0.4 release was planned and tagged, but not
officially released.

Related project news:

* Project documentation is in the process of being moved from project
  wiki on GitHub to GitHub Pages at this URL:

  http://software.es.net/iperf/

* Source tarballs are now available at:

  http://downloads.es.net/public/iperf/

iperf3 is a tool for measuring the maximum TCP and UDP performance
along a path, allowing for the tuning of various parameters and
reporting measurements such as throughput, jitter, and datagram packet
loss.

The original iperf was implemented by NLANR / DAST.  Version 3 is a
complete reimplementation, with the goals of a smaller, simpler code
base, and a library that can be used by other programs.  It also adds
new functionality, such as CPU utilization measurements, zero copy TCP
support, and JSON output.  Note that iperf3 clients and servers are
not compatible with, and will not interoperate with, earlier versions
of iperf.

iperf3 is fully supported on Linux, FreeBSD, and MacOS X.  It may run
on other platforms as well, although it has not received the same
attention and testing.

The source code for iperf 3.0.5 is available at:

http://downloads.es.net/pub/iperf/iperf-3.0.5.tar.gz

SHA256 hash:

e1e1989985b17a4c03b0fa207004ad164b137e37ab0682fecbf5e93bcaa920a6  
iperf-3.0.5.tar.gz

iperf3 is freely-redistributable under a 3-clause BSD license.  More
information can be found in the LICENSING file inside the source
distribution.

Additional documentation for iperf3 can be found at:

http://software.es.net/iperf

More information about iperf3 (including the issue tracker, source
code repository access, and mailing list) can be found on the iperf3
page on GitHub at:

https://github.com/esnet/iperf

The mailing list for iperf3 development is:



To see the list archives or join the mailing list, visit:

http://groups.google.com/group/iperf-dev

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