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Update draft-ietf-quic-recovery.md
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ianswett committed Jan 10, 2019
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Expand Up @@ -429,11 +429,12 @@ a subsequent connection attempt to the server.

#### Discarding Keys and Packet State {#discarding-packets}

When packet protection keys are discarded (see Section 4.9 of {{QUIC-TLS}}), recovery state for all in-flight packets sent with
those keys is discarded. The packets are removed from the count of
bytes in flight and no acknowledgements or loss events will occur
for those packets. Note that it is expected that keys are discarded after those
packets would be declared lost, but Initial secrets are destroyed earlier.
When packet protection keys are discarded (see Section 4.9 of {{QUIC-TLS}}),
recovery state for all in-flight packets sent with those keys is discarded.
The packets are removed from the count of bytes in flight and no
acknowledgements or loss events will occur for those packets. Note that it
is expected that keys are discarded after those packets would be declared lost,
but Initial secrets are destroyed earlier.

As described in Section 17.5.1 of {{QUIC-TRANSPORT}}, endpoints stop sending and
receiving Initial packets once they start exchanging Handshake packets. At this
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