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Sending CWR after an RTO is according to RFC 3168 generally required

Description

Sending CWR after an RTO is according to RFC 3168 generally required
and not only for the DCTCP congestion control.

Submitted by: Richard Scheffenegger
Reviewed by: rgrimes, tuexen@, Cheng Cui
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D23119

Details

Committed
tuexenJan 25 2020, 1:45 PM
Reviewer
rgrimes
Differential Revision
D23119: Send CWR whenever a ECN-enabled session runs into RTO
Parents
rS357115: Don't set the ECT codepoint on retransmitted packets during SACK loss
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