On 13/08/20(Thu) 10:14, Brian Brombacher wrote:
>
>
> >> On Aug 9, 2020, at 6:29 PM, Chris Cappuccio <ch...@nmedia.net> wrote:
> > Brian Brombacher [br...@planetunix.net] wrote:
> >>
> >> I am wondering what approach the project is planning to use to modernize
> >> the congestion control algorithms. I'm interested in assisting the
> >> project
> >> with development effort in this area. I've spent time making modifications
> >> for my own purposes and would prefer to understand the projects goals
> >> before
> >> continuing, if possible.
> >
> > Various improvements have been made over the years for dynamic window size,
> > also further tweaks for higher bandwidth over high latency connections. I'd
> > recommend sharing your current modifications here to get feedback.
> >
> > Chris
>
> Hi Chris,
>
> The modifications I’ve made are around parameters related to the slow start
> threshold logic, ENOBUF behavior on interface write, and each Reno congestion
> control logic segment has also received some changes. The majority of the
> changes are implementing sysctl tunables to experiment with varying degrees
> of network behavior I’ve been witnessing on my infrastructure.
>
> I’ve been evaluating potential patterns to allow optimal maintenance and
> addition of future CC algorithms.
mikeb@ has been working on this in the past. His work can be used as a
solid basis, see:
https://github.com/mbelop/src/tree/tcpcc
https://github.com/mbelop/src/tree/tcpcc2
