[Cerowrt-devel] BBR congestion control

Erkki Lintunen ebirdie at iki.fi
Sat Sep 17 14:24:24 EDT 2016

This may already be yesterday news to list subscribers, but may there be
still be others like me missing this fascinating new entry, I'm for


> While it is impossible to disambiguate any single bandwidth or RTT
> measurement, a connection's behavior over time tells a clearer
> story. BBR uses a measurement strategy designed to resolve this
> ambiguity. It combines these measurements with a robust servo loop
> using recent control systems advances to implement a distributed
> congestion control algorithm that reacts to actual congestion, not
> packet loss or transient queue delay, and is designed to converge with
> high probability to a point near the optimal operating point.

Got the bit from Steinar H. Gunderson's blog,
where before he has shared his troubles with bufferbloat while delivering video
streams from big events of young hackers.

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