[Galene] Re: Future plans: Pion v4 and TWCC

[Dave Taht <dave.taht@gmail.com>]

On Wed, Jan 1, 2025 at 5:16 PM Sean DuBois <sean@pion.ly> wrote:
>
> It does [0]
>
> It can use improvements though. I have been distracted by broadcasting/robotics recently, but I would
> love to come back to this.

yay!

>
> [0] https://github.com/pion/interceptor/blob/master/pkg/gcc/delay_based_bwe.go#L50

sigh. this reacts so slowly.... rc := newRateCalculator(500 * time.Millisecond)

Starlink would be interesting.
>
>
> On Jan 1, 2025, at 5:27 PM, Dave Taht <dave.taht@gmail.com> wrote:
>
> On Wed, Jan 1, 2025 at 12:45 PM Juliusz Chroboczek <jch@irif.fr> wrote:
>
>
> Hi,
>
> The reason I've released 0.96 is that it looks like a rock solid version,
> and I'm planning to break things.  More specifically, I've just finished
> doing a straightforward port to Pion WebRTC v4, and I'm planning to make
> the following changes to Galene's protocol:
>
>  - use a separate RTX track for retransmissions;
>  - use TWCC instead of REMB for GCC congestion control.
>
> The RTX track will allow browsers to do more precise accounting of packet
> loss, which should improve behaviour under packet loss.  Replacing our
> home-grown implementation of REMB with Pion's implementation of TWCC will
> hopefully improve behaviour on congested links (it will no longer be
> necessary to manually switch to "Send: low" when on a slow link), but more
> experimentation is needed.
>
> This work is going on in the "pion-v4" branch, which I'll merge into master
> when I'm satisfied it doesn't break anything.
>
>
> Did delay and not just loss make it into pion?
>
> -- Juliusz
> _______________________________________________
> Galene mailing list -- galene@lists.galene.org
> To unsubscribe send an email to galene-leave@lists.galene.org
>
>
>
>
> --
> Dave Täht CSO, LibreQos
> _______________________________________________
> Galene mailing list -- galene@lists.galene.org
> To unsubscribe send an email to galene-leave@lists.galene.org
>
>


-- 
Dave Täht CSO, LibreQos