[tor-commits] [torspec] branch main updated: Prop 324: RTT should only be reset after slow start.

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dgoulet pushed a commit to branch main
in repository torspec.

The following commit(s) were added to refs/heads/main by this push:
     new c2e057a  Prop 324: RTT should only be reset after slow start.
c2e057a is described below

commit c2e057a7c39d0dc63a54fe77dfbefa2f3f86d533
Author: Mike Perry <mikeperry-git at torproject.org>
AuthorDate: Tue Jan 10 20:53:57 2023 +0000

    Prop 324: RTT should only be reset after slow start.
---
 proposals/324-rtt-congestion-control.txt | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/proposals/324-rtt-congestion-control.txt b/proposals/324-rtt-congestion-control.txt
index 4937744..fd79cbd 100644
--- a/proposals/324-rtt-congestion-control.txt
+++ b/proposals/324-rtt-congestion-control.txt
@@ -389,12 +389,12 @@ Simplifying:
 
    BDP = cwnd * RTT_min / RTT_current_ewma
 
-The RTT_min for this calculation comes from the minimum RTT_current_ewma
-seen in the lifetime of this circuit. If the congestion window falls to
-`cc_cwnd_min`, implementations MAY choose to reset RTT_min for use in this
-calculation to either the RTT_current_ewma, or a percentile-weighted average
-between RTT_min and RTT_current_ewma, specified by `cc_rtt_reset_pct`. This
-helps with escaping starvation conditions.
+The RTT_min for this calculation comes from the minimum RTT_current_ewma seen
+in the lifetime of this circuit. If the congestion window falls to
+`cc_cwnd_min` after slow start, implementations MAY choose to reset RTT_min
+for use in this calculation to either the RTT_current_ewma, or a
+percentile-weighted average between RTT_min and RTT_current_ewma, specified by
+`cc_rtt_reset_pct`. This helps with escaping starvation conditions.
 
 The net effect of this estimation is to correct for any overshoot of
 the cwnd over the actual BDP. It will obviously underestimate BDP if cwnd

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