[Cake] COBALT implementation in ns-3 with results under different traffic scenarios

[Jonathan Morton]

> On 25 Jan, 2019, at 10:35 am, Shefali Gupta <shefaligups11 at gmail.com> wrote:
> 
> We have updated all the graphs with updated COBALT code and BQL enabled.

The graphs available so far do show a big improvement in behaviour.  Could you also add comparative data for Codel and PIE in the Heavy and Mix scenarios?  It seems reasonable to also generate drop-event logs for those scenarios.

 - Jonathan Morton