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Permit 0-RTT after Retry and VN #1514

Merged
merged 9 commits into from Jul 31, 2018
5 changes: 2 additions & 3 deletions draft-ietf-quic-transport.md
Expand Up @@ -789,9 +789,8 @@ Packet numbers for 0-RTT protected packets use the same space as 1-RTT protected
packets.

After a client receives a Retry or Version Negotiation packet, 0-RTT packets are
likely to have been lost or discarded by the server, especially if the server
changes its connection ID with a Retry packet. A client MAY attempt to resend
data in 0-RTT packets after it sends a new Initial packet.
likely to have been lost or discarded by the server. A client MAY attempt to
resend data in 0-RTT packets after it sends a new Initial packet.

A client MUST NOT reset the packet number it uses for 0-RTT packets. The keys
used to protect 0-RTT packets will not change as a result of responding to a
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