From: Eric Dumazet
Date: Tue, 20 Nov 2018 05:53:59 -0800
> Jean-Louis reported a TCP regression and bisected to recent SACK
> compression.
>
> After a loss episode (receiver not able to keep up and dropping
> packets because its backlog is full), linux TCP stack is sending
> a single SACK
Jean-Louis reported a TCP regression and bisected to recent SACK
compression.
After a loss episode (receiver not able to keep up and dropping
packets because its backlog is full), linux TCP stack is sending
a single SACK (DUPACK).
Sender waits a full RTO timer before recovering losses.
While