Hello Jonathan and Dave,

Thanks for your timely inputs.

We have implemented COBALT in ns-3. The main C++ file is here:

https://github.com/Daipu/COBALT/blob/master/src/traffic-control/model/cobalt-queue-disc.cc

We have also added Queue length and Throughput graphs for COBALT in our
wiki:

https://github.com/Daipu/COBALT/wiki

Thanks and Regards,
Jendaipou Palmei
Shefali Gupta