Re: [quicwg/base-drafts] State machine for CC (#4055)

[Jana Iyengar <[e-mail]>]

@janaiyengar commented on this pull request.



>  
 The recovery period aims to limit congestion window reduction to once per round
-trip. Therefore during recovery, the congestion window remains unchanged
-irrespective of new losses or increases in the ECN-CE counter.
+trip. Therefore during a recovery period, the congestion window does not change
+in response to new losses or increases in the ECN-CE count.
+
+A recovery period ends and the sender enters congestion avoidance when a packet
+sent during the recovery period is acknowledged. This is slightly different
+from TCP's definition of recovery, which ends when the lost segment that
+started recovery is acknowledged ({{?RFC5681}}).
+
+### Congestion Avoidance
+
+A NewReno sender is in congestion avoidance any time the congestion window is

It's specific to a sender that uses slow start with an ssthresh variable. BBR does not have an ssthresh, for example. Since we're only defining NewReno in this document, there isn't anything incorrect with saying "NewReno sender", though it might be slightly more specific than you might like.

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