Update BBR implementation

[Ralith]

BBR2 has been formally drafted at https://datatracker.ietf.org/doc/html/draft-cardwell-iccrg-bbr-congestion-control. We should update our implementation to match the logic therein.

[mogendi]

Hi @Ralith curious whether this is still a priority for quinn?, the issue has been stale for quite a while.

[Ralith]

Contributions in this direction would be very welcome, but I'm not aware of anyone having immediate plans to take it on. BBR isn't used by default so it's not a critical issue, though congestion control is important and there's lots of room for improvement both here and with the default Cubic implementation.

[mogendi]

@Ralith I could look into handling the move to BBRv2 if it doesn't clash with anyone. Not sure of the laws of the land, should I reuse this issue ?

[djc]

Sure, would be great if you can work on that -- and it's fine to reference this issue.

[Ralith]

Shouldn't be any risk of conflicting efforts. Thanks for having a go at it!

[Ralith]

BBR v3 has been published: https://github.com/google/bbr/tree/v3

@mogendi, are you still interested in working on this?

[mogendi]

@Ralith yes!

[Ralith]

Great, please let us know if there's anything we can do to help you make progress! Feel free to reach out here or on discord.

[mogendi]

will do @Ralith