congestion control algorithm

Roman Arutyunyan arut at
Wed Jan 11 08:55:30 UTC 2023

Hi Claire,

> On 9 Jan 2023, at 21:59, claire liu <claireecf at> wrote:
> Hi dev team,
> I have some questions about congestion control. What's the current congestion control algorithm in Nginx-quic? What are the differences between nginx and nginx-quic's congestion control algorithms?

nginx-quic implements NewReno congestion control as per RFC 9002, Section 7.
We have plans to add more advanced algorithms though.

Nginx does not have any congestion control implemented, since it relies on the kernel to implement one for TCP.

> Thanks,
> Claire
> _______________________________________________
> nginx-devel mailing list
> nginx-devel at

Roman Arutyunyan
arut at

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