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Allow Retry in response to 0-RTT packets #1552

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Jul 31, 2018
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Allow Retry in response to 0-RTT packets #1552

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Allow Retry in response to 0-RTT packets
martinthomson Jul 12, 2018
452d1ee
ekr's inversion of the sentence
martinthomson Jul 14, 2018
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5 changes: 4 additions & 1 deletion draft-ietf-quic-transport.md
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Expand Up @@ -594,7 +594,10 @@ of subsequent packets that it sends.
A Retry packet does not include a packet number and cannot be explictly
acknowledged by a client.

A server MUST only send a Retry in response to a client Initial packet.
A server MUST NOT send a Retry in response to packets other than Initial
or 0-RTT packets. A server MAY choose to only send Retry in response to Initial
packets and discard or buffer 0-RTT packets corresponding to unvalidated client
addresses.

If the Original Destination Connection ID field does not match the Destination
Connection ID from the most recent Initial packet it sent, clients MUST discard
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