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Excess ack_delay could be non-compiance #4218

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6 changes: 3 additions & 3 deletions draft-ietf-quic-recovery.md
Expand Up @@ -374,9 +374,9 @@ min_rtt.
After the handshake is confirmed, any acknowledgement delays reported by the
peer that are greater than the peer's max_ack_delay are attributed to
unintentional but potentially repeating delays, such as scheduler latency at the
peer or loss of previous acknowledgements. Therefore, these extra delays are
considered effectively part of path delay and incorporated into the RTT
estimate.
peer or loss of previous acknowledgements. Excess delays could also be due to
a non-compliant receiver. Therefore, these extra delays are considered
effectively part of path delay and incorporated into the RTT estimate.

Therefore, when adjusting an RTT sample using peer-reported acknowledgement
delays, an endpoint:
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