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Clarify ACK Delay and reference host-delay #3971

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merged 6 commits into from Jul 30, 2020
Merged

Clarify ACK Delay and reference host-delay #3971

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0394072
Clarify ACK Delay and reference host-delay
ianswett Jul 29, 2020
fc3f1b9
Another reword
ianswett Jul 30, 2020
20a2485
Update draft-ietf-quic-transport.md
ianswett Jul 30, 2020
ffd34e4
Update draft-ietf-quic-transport.md
ianswett Jul 30, 2020
bfa7d1b
Merge branch 'master' into ianswett-ack-delay-host-delay
ianswett Jul 30, 2020
eb04586
Update draft-ietf-quic-transport.md
ianswett Jul 30, 2020
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12 changes: 6 additions & 6 deletions draft-ietf-quic-transport.md
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Expand Up @@ -5277,12 +5277,12 @@ Largest Acknowledged:

ACK Delay:

: A variable-length integer representing the intentional delay in microseconds
between when the largest acknowledged packet, as indicated in the Largest
Acknowledged field, was received, and when the ACK frame was sent;
see {{host-delay}}. The value of the ACK Delay field is scaled by
multiplying the encoded value by 2 to the power of the value of the
ack_delay_exponent transport parameter set by the sender of the ACK frame;
: A variable-length integer encoding the intentional delay between when the
largest acknowledged packet, as indicated in the Largest Acknowledged field,
was received, and when the ACK frame was sent; see {{host-delay}}.
The acknowledgement delay in microseconds is the value of the ACK Delay
field multiplied by 2 to the power of the ack_delay_exponent transport
parameter sent by the sender of the ACK frame;
see {{transport-parameter-definitions}}. Scaling in this fashion allows for
a larger range of values with a shorter encoding at the cost of lower
resolution. Because the receiver doesn't use the ACK Delay for Initial and
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