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Out of order relative to other ack-eliciting packets #4000

Merged
merged 9 commits into from
Sep 1, 2020
10 changes: 5 additions & 5 deletions draft-ietf-quic-transport.md
Original file line number Diff line number Diff line change
Expand Up @@ -3561,11 +3561,11 @@ In order to assist loss detection at the sender, an endpoint SHOULD generate
and send an ACK frame without delay when it receives an ack-eliciting packet
either:

* When the received packet has a packet number less than another ack-eliciting
packet that has been received.
* When the packet has a packet number larger than any other ack-eliciting packet
that has been received and there are missing packets between that other packet
and this packet.
* when the received packet has a packet number less than another ack-eliciting
packet that has been received, or
* when the packet has a packet number larger than the highest-numbered
ack-eliciting packet that has been received and there are missing packets between
that packet and this packet.

The endpoint SHOULD NOT continue sending ACK frames immediately unless one of
the above criteria are satisfied.
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