[Cake] Bandwidith rate by host instead of global while using [dual-]srchost and [dual-]dsthost

[Pete Heist]

> On Jun 16, 2018, at 9:20 PM, Pete Heist <pete at heistp.net> wrote:
> 
> The bottleneck is not always the wireless radio, particularly when the link is not over-provisioned.

Sorry, I wrote this incorrectly. What I mean is that when the bottleneck _is_ the wireless radio (i.e. it’s not over-provisioned), soft rate limiting (and also CoDel) can still be used to manage the queue and improve latency under load.