perfSONAR User Q&A and Other Discussion

[Antoine Delvaux <>]

Dear perfSONAR Users,

With the release of perfSONAR 4.4.0 and 4.4.1 iperf3 measurements run with 
pScheduler are now using authentication as a way to prevent unauthorised 
tests while the iperf3 server is up.  For this to work on Debian and Ubuntu, 
we had to provide an updated iperf3 binary compiled with OpenSSL support.

With Ubuntu 16 free support discontinued by Canonical [1], the OpenSSL 
library version available is not the same as the one available for the other 
Debian based OS we support (Debian 9 and 10 and Ubuntu 18).  This means that 
we would need to compile a dedicated iperf3 binary only for Ubuntu 16.  
Considering the discontinued free support, we decided that the effort was not 
worth it.

This means that no further upgrade of perfSONAR will be available to the 
current systems running Ubuntu 16.  We recommend you to upgrade to Ubuntu 18 
or reinstall your perfSONAR node afresh with one of the OS we support.  For 
more information, please go to https://docs.perfsonar.net/install_debian.html

Thank you,
The perfSONAR Development Team.

[1]: Only paid ESM support is available since April 2021, see 
https://ubuntu.com/16-04