As I did not publicize this number but already did some test I try to give some information.
We set up different topologies like an App on the ctrlX CORE is client and uses data as well as external devices are client. Each Case was tested with standard http commands, standard C++/python and other programming languages and also our own libraries for data layer access. Measured was the min/max and average time needed for an access and how many access per second could be performed. These tests were running over some time to also get highs/lows and average values.
If you have further question please specify more what you exactly want to know and/or also write me a private message with your contact data so we can have a direct discussion.