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Add some MUSTs to congestion control #3978

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10 changes: 5 additions & 5 deletions draft-ietf-quic-recovery.md
Expand Up @@ -776,11 +776,11 @@ is declared.

## Congestion Avoidance

Congestion avoidance uses an Additive Increase Multiplicative Decrease (AIMD)
approach that typically increases the congestion window by one maximum datagram
size per congestion window acknowledged, and MUST NOT increase the congestion
window faster. When a loss or ECN-CE marking is detected, the sender MUST
reduce the congestion window. NewReno halves the congestion window, sets the
NewReno congestion avoidance uses an Additive Increase Multiplicative Decrease
(AIMD) approach that typically increases the congestion window by one maximum
datagram size per congestion window acknowledged, and MUST NOT increase the
congestion window faster. When a loss or ECN-CE marking is detected, the sender
MUST reduce the congestion window. NewReno halves the congestion window, sets the
slow start threshold to the new congestion window, and then enters the recovery
period.

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